Ann paid $5.20 in sales tax for an $80 purchase. What percent sales tax did Ann pay on her purchase?

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Can someone me with my math problem pls my teacher is on my back about this