PLEASE HURRY I GOTTA GET IN TURNED IN BY 11:59 OR I FAIL

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

X2 + y 2 = 36 x + y = 6 solve the system of equations.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way