What does X = Y= z= stands for

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

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?