Hey whats up just need elp with 4

Can somebody me out with this question

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2