#4 now i need it or at least explain

Write an equation for the function that includes the points (2,100)and (3,100)

If the discriminant if a quadratic equation is 4 which statement describes the roots?

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