Whitney contributes 13% of her 70,600 annual salary to her 401(k) plan what is her pretax income

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.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Ineed to know how to write question one in mathematical terms