There is a new food delivery company that charges $10 to deliver 3 meals and $16 to deliver 12 meals. If the charging rate remains constant, how much will it cost to deliver 9 meals?

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

One integer is 8 times another. if the product is 72, then find the integers

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.