III 2. A 13-foot ladder leans against a buiding and reaches a window 10 feet above ground. What is the measure of the angle, to the nearest degree that the ladder forms with the ground?
A. 40
c. 50
b 30
d. 56

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13