Solve the System by Substitution
by
X = 2y - 3
4x - 5y = -3
X=
Y=

How do i do this activity, is appreciated

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)?

Identify the number 127 as a rational or irrational. explain