How to undo the operation to solve m + 11 = 15

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

In the 30-60-90 triangle below side s has a length of and side r has a length

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