This is super easy all you have to do is divide
-4/7
Which would be -0.57 or rounded 0.6
Answer:
the answer would be 0.372
Answer: 85
Add up all the numbers: 97+70+89+99+100+78+79+89+77+72=850
Divide 850 by the amount of numbers:
850/10=85
I hope this helps and good luck! :)