Image down below thx heres 15 points

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

Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other people’s work? b.) have you ever taken credit for somebody else’s work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody else’s work? d.) don’t you think it is unethical to take credit for somebody else’s work?

Maria solved an equation as shown below. what is the solution to maria’s equation?