Which expression is a sum of a number and a product? A. ×/2-6 B. 1 + 6x C. x+ 8 -6 D. 2 (x-7)

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Need on this geometry question. explain how you did it.