Any help would be appreciated.

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.

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2