A, b, and c are polynomials, where a = n, b = 2n + 6, and c = n2 – 1. what is ab – c in simplest form?

a=–n2 + 3n + 5
b=n2 + 6n + 1
c=2n2 + 6n – 1
d=3n2 + 5

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

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0