What is the measure of the missing angle?

Which graph represents the following piecewise defined function?

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.

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?