Pls a rectangular room is three times as long as it is wide, and its perimeter is 80 meters. find the length of the room.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values