Factor the expression over the complex numbers. y^2+49

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)?

Which expression and diagram represent “renee biked four times as far this month as last month”?

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola