What do I write help!

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?