After a sale, the price of a stereo was marked up $35 to a regular price of $310. what was the sale price?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Factor the polynomial. b^2 + 4b + 4

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.