Pls help me with this i will make you the brainiest 25 points and pls try to get as close to 1,000 as you can

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer

Combine like terms to make a simpler expression 3z+z

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?