Consider the function. f(x)= -2/3x-24

Which conclusions can be drawn about f–1(x)? Select two options.

Add or subtract polynomial : –12qr? +13rq?

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)