John has three pieces of rope. one piece was 31 cm long, one piece was 0.33 m long, and one piece was 0.45 m long. john wants to know how much rope he has?

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path

Find the solution(s) to x^2-14+49=0