Can someone please answer this

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

Simplify using positive exponents only.

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.