The cost c (in dollars) of renting a paddle board for (h) hours is given by c=25+7h. after how many hours is the cost $81?

Which of the following points is collinear with (-2,1) and (0,3)

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.