IM GETTING GRADED ON THIS PLZ I WILL MARK BRAINLIEST

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?