George bought tickets for the school fair. The tickets cost $4 each plus a $5 handling fee. The total cost was $21. Let x represent the number of tickets George bought. Write an equation that represents George’s purchase.

The solution set for 5v2 – 125 = 0 is

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

2f(x)= x+3 if 4 < x < 8 2x if x 28 2