Can Someone help me with this? Once I finish the test, I'll give brainlist ( Question Attached)

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

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x