What is the 12th term in the expanded form of the expression below?

(3x-y)^13

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

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?