Joe's mechanic shop also marks up any large parts they sell to you during the repair by $20 and will have to charge 7.8% sales tax. Which expression represents the total
amount charged for parts if the part's original cost is represented by p?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second