3x^2+5x
x=5
^ means the exponent

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

True or false? a circle could be circumscribed about the quadrilateral below.

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.