48 divided by 2(9+3) =??

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.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?