# Recent Posts

Title | Description | Creator | created |
---|---|---|---|

An efficient way to delete an item from a dynamic list | It is sometimes tricky working with linked lists if you are searching for an item to delete it. | Dr. Osama M. Khaled | May 23, 2021 09:10 PM |

About | Dr. Osama M. Khaled | Aug 14, 2022 03:19 AM | |

Postal Rates | Data are often presented in tables, with information organized in rows and columns. This exercise will give you the basic concepts of reading a table to find a piece of information. | Dr. Osama M. Khaled | Oct 02, 2023 07:35 AM |

Use the multiplication poperty of quality | Multiplying both sides of an equation by the same nonzero number does not change its solution. | Dr. Osama M. Khaled | Sep 29, 2023 07:32 PM |

Multiply fractions | To multiply two fractions, multiply the numerators and multiply the denominators. Simplify the result, if possible | Dr. Osama M. Khaled | Sep 21, 2023 02:26 AM |

Use the subtraction property of equality | Subtracting the same number from both sides of an equation does not change its solution | Dr. Osama M. Khaled | Sep 20, 2023 08:53 PM |

Exercise 2: Concepts | Practice the essential concepts to simplify algebraic expressions | Dr. Osama M. Khaled | Sep 20, 2023 11:45 AM |

Identify corresponding angles, interior angles, and alternate interior angles | A line that intersects two coplanar lines in two distinct (different) points is called a transversal | Dr. Osama M. Khaled | Sep 18, 2023 11:22 AM |

Identify and define parallel and perpendicular lines | Parallel lines are not intersecting while perpendicular lines are intersecting and form a right angle | Dr. Osama M. Khaled | Sep 17, 2023 11:24 AM |

Equivalent Fractions | Fractions can look different but still represent the same part of a whole. | Dr. Osama M. Khaled | Sep 15, 2023 11:28 PM |

Round whole numbers | When we don’t need exact results, we often round numbers | Dr. Osama M. Khaled | Sep 14, 2023 06:01 AM |

Use the addition property of equality | Adding the same number to both sides of an equation does not change its solution. | Dr. Osama M. Khaled | Sep 13, 2023 04:08 AM |

Exercise 1: Vocabulary | Practice some essential vocabulary when you simplify algebraic expressions | Dr. Osama M. Khaled | Sep 12, 2023 11:46 PM |

Determine whether a number is a solution | An equation is a statement indicating that two expressions are equal | Dr. Osama M. Khaled | Sep 12, 2023 07:03 AM |

Exercise 6:Translate to algebraic expression | Abstract the words into concrete algebraic expressions | Dr. Osama M. Khaled | Sep 11, 2023 08:13 PM |

Exercise 1: Guided Practice | An exercise showing how percents could be used in practical situations | Dr. Osama M. Khaled | Sep 11, 2023 05:50 AM |

Write fractions as percents | We use a two-step process to write a fraction as a percent. First we write the fraction as a decimal. Then we write that decimal as a percent. | Dr. Osama M. Khaled | Sep 09, 2023 01:00 AM |

Write decimals as percents | To write a percent as a decimal, we drop the % symbol and move the decimal point 2 places to the left. To write a decimal as a percent, we do the opposite: we move the decimal point 2 places to the right and insert a % symbol. | Dr. Osama M. Khaled | Sep 08, 2023 02:09 AM |

String Processing | String processing algorithms have been important for computer science for a long time in conjunction with computer languages and compiling issues. | Dr. Osama M. Khaled | Sep 07, 2023 11:36 PM |

Searching | The searching problem deals with finding a given value, called a search key, in a given set (or a multiset, which permits several elements to have the same value). | Dr. Osama M. Khaled | Sep 07, 2023 12:30 AM |

Sorting | The sorting problem is to rearrange the items of a given list in nondecreasing order | Dr. Osama M. Khaled | Sep 04, 2023 06:31 AM |

Write percents as decimals | To write a percent as a decimal, recall that a percent can be written as a fraction with denominator 100 and that a denominator of 100 indicates division by 100 | Dr. Osama M. Khaled | Sep 02, 2023 08:26 PM |

Internet of Things Overview | The Internet of Things (IoT) encapsulates a vision of a world in which billions of objects with embedded intelligence, communication means, and sensing and actuation capabilities will connect over IP (Internet Protocol) network. | Dr. Osama M. Khaled | Aug 29, 2023 03:07 AM |

Organizational Challenges | Cloud services impact organizations in subtle ways. The cloud impacts the whole company, not just the IT department | Dr. Osama M. Khaled | Aug 28, 2023 06:41 AM |

Atoms, Molecules, and Ions: Exercises | Test your knowledge in atoms, molecules and Ions | Dr. Osama M. Khaled | Aug 23, 2023 03:27 AM |

Common names of chemical molecules | Some molecules which have some common names | Dr. Osama M. Khaled | Aug 22, 2023 12:04 PM |

Molecules and Chemical Nomenclature | By taking this quiz, you should be able to define a molecule, name simple molecules based on their formulas, and determine a formula of a molecule based on its name. | Dr. Osama M. Khaled | Aug 16, 2023 11:01 AM |

Stemplots | Dr. Osama M. Khaled | Aug 13, 2023 11:09 AM | |

Software as a Service (SaaS) | One of the first implementations of cloud services was Software as a Service (SaaS) | Dr. Osama M. Khaled | Aug 08, 2023 02:32 AM |

Conservation of momentum and energy: Self Test | More questions in conservation of momentum and energy | Dr. Osama M. Khaled | Jul 24, 2023 12:19 AM |

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