(3x2 - 6x + xy), (2x3 - 5x2 -3y) and (7x + 8y)
Add the polynomials

Super ultra mega important if you can answer this correctly i will give you 100 points but if you don't answer it correctly you'll get a big report. so stay aware and have a nice day!

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?