1. The charge for a microwave repair visit was $81.21, including tax. If the tax was $6.70, then how much was the repair visit?
Tibor
Teed lovit

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase