Consider the differential equation (x + 1)(x^2 + 1) y=2x^2 + x what type of equation is it? state information about existence and uniqueness

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

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