On average, Justin takes 1 less hour to assemble a bicycle than Christina. If working together Justin and Christina can assemble 36 bicycles in a combined 80 hours, how long does it take Justin to assemble a bicycle? Do not include the units in your answer.

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

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Which statement justifies why angle ebc measures 90?