Which of these triangles appears not to be congruent to any others shown here? Check all that apply.
A. Triangle A
B. Triangle B
O C. Triangle C
D. Triangle D
E. Triangle E
F. Triangle F

How many solutions does the nonlinear system of equations graphed bellow have?

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)?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.