Find the slope of the line graphed below

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15