8)
65°
TC + 79
45°
A) 6
C) -9
B) 12
D) -12

Can some one me with these questions

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.