Answer:

Step-by-step explanation:

Multiply

Simplify




Answer:
No, not congruent
Step-by-step explanation:
Triangles cannot be considered congruent based on the fact that all 3 angles are congruent
Hope this helps! If you found my answer helpful, please consider marking me brainliest. Thank you!
Answer:
See attached.
Step-by-step explanation:
Since x=7 we plug the number in for x and get 7-8
Answer= -1