BYE PLS HELP the ones that i marked, tell me if there right or wrong (if wrong do fix it pls)

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

How many ordered pairs of positive integers satisfy xy=32?