The perimeter of a regular pentagon is 10x + 20. find the length of one side .

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse