Fill in the reason that justifies each step.

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

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Elm street is straight. willard's house is at point h between the school at point s and the mall at point m. if sh = 3 miles and hm = 4.5 miles, what is the value of sm in miles?