Luis, Carlo, and Ken bought movie tickets. Each ticket cost the same
amount. The 3 tickets cost $21. How
much did Carlo pay for his ticket?
Use a model to justify your answer.

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.