Simplify (show your work)1) -3 (-9n+8) - 9n2) 4 (2a+8)+a

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?

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall