Need help identifying these triangles

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

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Combine like terms to make a simpler expression 3z+z