-13 = r/9 + 8

Solve for r

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount