Answer:
97°
It would be 97° because anything higher than 90 is obtuse and it couldnt be 180 because 180 would be a straight angle
hope this helps
Answer: It is c i just got it right
Step-by-step explanation:
You have to distribute the minus sign to the second parenthesis, changing the sign of every term:

Is there a picture to go along with this? This question is very vague. If you give me more info I might be able to help.
BY taking the square root you can find each of them as follows:
1. sqrt(144) = 12
2. sqrt(25/289) = 5/17