This is the answer key, not my work. for question 7, how do you get the -3 and 2 to multiply the equations by

What is 20+(5 x 2/5 )+ 3 show your work

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year