(3x^3+ 4x²) - (2x^3+ 3x^2–x)=

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Can someone me with my math problem pls my teacher is on my back about this

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?