Answer:
1
Step-by-step explanation:
Please mark as brainliest!
Answer:
To be honest dont know
Step-by-step explanation:
2+2=Fish
I Believe B and C the only thing I'm ify about is the negative in front of te 7 if you have any problems go on mathway. com it is the best website created for problems other then this, and its an instant answers because the website gives the answers
(99(82)+99)/100 is the later mean of scores= 82.17
And the current mean of 82
82.17-82= 0.17 is the difference between the mean scores