Pre-image ABCD was dilated to produce image A'B'C'D'.

What is the scale factor from the pre-image to the image?

Enter your answer in the box as a fraction in simplest form.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?