If Jessica takes 2/5 hour to repaint 5/8 of her wall, how long will it take to paint her whole wall?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2