Someone help. pic attached

How many grams the dog will eat in 3 days?

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.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.