I forgot how to do this, so I don't need the answer but I more of need the formula/equation. However, the answers would also be great.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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.

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm