NEED ANSWER ASAP GIVING BRAINLIEST

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

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.