Which pair of radicals is a pair of like radicals?

a] 2√ 3 and 2√ 5
b] 5√ 6 and 6√ 5
c] 7√ 3 and 9√ 3
d] 9√ 2 and -9√ 3

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Which of the following circles have their centers in the third quadrant? check all that apply.

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?