The figure shows a cable car that carries passengers from A to C. Point A is 1.4 miles from the base of the mountain. The angles of elevation from A and B to the mountain's peak are 23° and 67°, respectively
a. Determine, to the nearest tenth of a foot, the distance covered by the cable car.
b. Find a, to the nearest tenth of a foot, in oblique triangle ABC
c. Use the right triangle to find the height of the mountain to the nearest tenth of a foot