The measure of angle e, the angle of elevation from point a to point b, is left-parenthesis 3 x plus 1 right parenthesis-degrees. the measure of angle d, the angle of depression from point b to point a, is 2 left-parenthesis x plus 8 right parenthesis-degrees. find the measure of each angle.

appreciate any .

Which of the following is correct interpretation of the expression -4+13

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)