Distribute and combine like terms.
3(2x - 7) +5

How do you determine whether a relationship represented as as graph is linear or nonlinear

If you could answer these your a life saver

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.