Plz me geometry
am i correct?

Yes, the S. A. S. postulate is correct, because his proof stated two sides and the angle between those sides are congruent.

You're right. There is nothing in the text about a third side or a second angle, and doesn't say anything about the hypotenuse.

The answer is As air temperature increased, hot tea sales decreased. I just did this question and this answer was right.