4(3/4x-4)-13=7 what’s the answer

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?