Answer:
Step-by-step explanation:
The mean (or average) of a set of numbers can be found with the following formula:

For this problem, we have five numbers, so we add them together and divide by 5:



I think each girl had 8.1 points may be wrong
Answer:
D.
Step-by-step explanation:
2=-2,3=-3
2²=-2²,3²=3²
Answer:
Hmm.. I'm stumped
Step-by-step explanation:
Just here to say you can do it without brainly, you're smart!
Answer:
-2
Step-by-step explanation:
go back 3 into the negatives