Write an algebraic expression for 3 times x 2 times x minus 4 times x

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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)?