PLEASE HELPP PLEASE!! which one represents -7pi/3

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.