John and Jake are working at a car wash. It takes John 1 hour to wash 3 cars; Jake can wash 3 cars in 45 minutes. If they work together, how many cars can they wash in an hour?

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

How far could you drive on 50 gallons of gas

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept