Expand.

Your answer should be a polynomial in standard form.

(x - 2) (x+2) =

Square A has a side length (2x-7) and square B has side length (-4x+18) how much bigger is the perimeter of square B than square A?

A health club charges a $130 yearly membership fee and $3 for each day a member uses the health facilities.

What is the period of the function f (x) = sin (x/2)

Find the inverse of the function r (t) = 5^t

Marshall makes fruit bars that each weigh of a pound and sells them to his friends. He sells three bars on Monday. What is the total weight of the bars that he sold on Monday?

There were 12 people on the jury. Seven were women. Five of the jurors were over 50 years old. Three jurors were under 30 years old. How many jurors were men?

What is the y-intercept of the graph of y = 3x^2 - 6x - 8? -8 -6 1 3

In Δ ABC, AB is 10 inches long and AC is 8 inches long. What is the perimeter of Δ ABC?

A rectangular piece of plastic is 5 millimeters tall and 10 millimeters wide. what is its perimeter? millimeters submit

What is the factored form of this expression? 4t2 - 27t + 18