Message me if you are good with math 7-12 AND COLLEGE ONLY

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?