Is y=7x+2 x+7y=8 parallel, perpendicular, or neither?

Can someone me do math because i am having a breakdown rn because i don’t get it

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality