They count as one help plz math with graphs 8th grade math

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Which of the following can be used to explain a statement in a geometric proof?

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?