Given triangle ABC which equation could be used to find the measure of angle B?? Please help thank you

If square root x = -7, then x= -49 true or false

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

Twelve less than a number is at most 20