Given f(x)=−7x+9 and h(x)=−5f(x), what are the slope and -intercept of the graph of function h?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

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

Ineed i been stuck on this question since yesterday