The surface area, S, of a cube is directly proportional to the square of the length of its side. The mass, M, of the cube is directly proportional to the cube of the length of its side. Work out an equation of proportionality that relates S to M. Please explain the working out.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

The function p(x) = –2(x – 9)2 + 100 is used to determine the profit on t-shirts sold for x dollars. what would the profit from sales be if the price of the t-shirts were $15 apiece?

What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50