82 is 13% of what number

This needs to be done quick you are studying different function tools and begin working with this function y=-160-9(x) use the equation to answer the question y=-160-9(x) what is the y value when x equals -13? y=-160-9(x)

How do i do this activity, is appreciated

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180