Use a proportion to solve: SHOW WORK

The school bus drives at 96 miles in 4 hours. If it continues at the same rate, how many miles can the bus travel in 7 hours?

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.

Icould really use some with this question.

Is this a polynomial function? i need to know asap