If the original quantity is 15 and the new quantity is 19, which is the best estimate for the percent change?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Equation for the calculation double 2 and then add 5