Just give me answer plz

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?