A particular computer takes 11 minutes to download a -minute TV show. How long will it take the computer to download a 1.5-hour movie?

Icould really use some with this question.

Find the slope of the line passing through a pair of points

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.