Add & simplify.
(2x²-11x)+(3x²+11x-4)

a. 5x^4-4
b. 6x²-11x-4
c. 5x²-x-4
d. 5x²-4

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Are the corresponding angles congruent? explain why or why not.

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?