Janet is designing a frame for a client. She wants to prove to her client that m angle1=m angle3 in her sketch What is the missing justification in the proof?

A. Definition of Supplementary Angles

B. Intersecting Lines Postulate

C. Same-Side Interior Angles Theorem

D. Vertical Angles Theorem

Anyone know? will mark brainliest if correct

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other people’s work? b.) have you ever taken credit for somebody else’s work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody else’s work? d.) don’t you think it is unethical to take credit for somebody else’s work?