Answer:
Step-by-step explanation:
-39+x+146=180
x+107=180
x=180-107=73
x=73°
First answer is A(true), second one is B(false), and the last one is A (xx).
Well, if it was out of 50, it would be 76%.
So the answer might be 50 questions total, but maybe there was 49 questions total.
I would probably go with 50 questions total.
The answer is 21.
I am not sure if you're looking for the answer, or the steps... get back to me foor help.