A square has a perimeter of 16 in. what is a side length of square

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is