The answer is D, happy graphing.
I think it is c sorry if I get it wrong
Answer:
the equation of the line is y=-3x+1
have a great day! hope this helped :D
All you need to do is add te averages together then divide them by 2.
91%+78%=169%
169%÷2=84.5%
So the new test average is 84.5%
The answer is 3 (or 3.08)