Write a quadratic equation that has a double root of -5.

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.

Math i have no idea how to do a and b