1. a 14 foot ladder is used to climb a 13 foot wall. at what angle
of elevation must the ladder be situated in order to reach the top
of the wall?

68.2°

Step-by-step explanation:

I've attached the solution

To simplify the equation, Erika must isolate the x. This means to get the x by itself. In order to do so, Erika needs to divide 50x by fifty to undo the multiplication. What is done on on side, must be done on the other by the Division Property of Equality. Therefore, Erika must divide seventeen by fifty as well. The answer Erika should end up with is x=0.34