Find the distance between each pair of point round the answer to the nearest tenth if necessary

Find the horizontal width of a skateboard ramp if it has height 3 ft and a 20-degree incline. Round your answer to the nearest hundredth of a foot.

Tristan spots a green hot air ballon due east from him at an angle of elevation of 25° at a festival. He turns due west and sees a blue hot air balloon at an angle of elevation of 60°. If the altitude of the green balloon is 345 meters, and the altitude of the blue balloon is 675 meters, and Tristan is 1.8 meters tall, find the 11. distance between the balloons. Round answer to nearest whole number. Show all work