Emir is standing in a treehouse and looking down at swingset in the yard next door. The angle of depression from Emir's eyeline to the swing 31.43 degrees and Emir is 11 feet from the ground. How many feet is the base of the tree from the swingset? Round your answer to the nearest foot 15 feet
20 feet
18 feet
24 feet

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.