Alternate interior angles.
Answer:
If it's perimeter, then its 23. If it's multiplying, then it's 810.
Step-by-step explanation: Please brainliest if possible!
Answer:
15cd(1 + 2cd)
Step-by-step explanation:
greatest common factor is 15cd

Answer:
The answer is B (3.-7)
Step-by-step explanation:
If you graph it the vertex is the top of the curve