4 Use the system of equations shown. 3x + 4y = -9
9x + 2y = 3
a. Would you choose substitution or elimination to solve this system? Explain.
b. Solve the system using the method you chose in problem 4a. Show your work.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least