Which student wrote an expression equivalent to 6x + 4x to the third power? choose all that apply. a: anne wrote (6 + x) + (4 + x to the third power). b: bart wrote 6x (1 + 2/3x to the second power). c: cassie wrote 3x + 3x + 2x to the third power + 2x to the third power. d: david wrote x(6 + 4x to the second power). e: edgar wrote 10 + x to the fourth power

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.

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

What is the total surface area of this square pyramid?