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Distributive property is often used to simplify algebraic expressions.

Newton argued that if a cannon could be placed on a hill high enough to be outside the earth's atmosphere, and if the cannon could be made powerful enough, a ...

All of the materials and substances that we experience are made up of elements

Since 100% of a number is the number itself, it follows that 200% of a number would be twice the number.

To raise a product to a power, raise each factor of the product to that power

Percents can be used to describe how a quantity has changed

Test your basic knowledge about geometry. We all need some refreshment every now and then. You think you remember everything about geometry. You may be ...

Some essential definitions in geometry

The values of a categorical variable are labels for the categories, such as “female” and “male"

Test your basic knowledge in history of computers