Which expression is equivalent to the phrase shown below? The quotient of the sum of 2t and 2, and twice the cube of s
A. 2t +23s2 C. 2t+23s2
B. 2t +22s3 D. 2t+22s3

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Does anyone know how to do geometryme with this problem