❗️❗️PLEASE HELP ME Please show the work for each of them ;D

Also I will report any answers that have nothing to do with the questions :)

TY AND ALSO I WILL MARK BRAINIEST TO WHOEVER EXPLAINS THE WORK THE BEST!!

Which graph represents an even 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.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years