Help please! ill give brainliest answer.

What could explain what happened when the time was equal to 120 minutes

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

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3