These rational expressions all have the same denominator. Write the sum of their numerators over the common
denominator
2x+1/x-3 + x/x-3 + 4/x-3

A) 8x^2 + 4x/x-3
B) x+5/x-3
C) 3x+5/x-3
D) 3x+5/3(x-3)

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)?