Please I need serious help with this ASAP Please explain

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 sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Secant be and cf intersect at point d inside a what is the measure of cde