Answer:
-1
Step-by-step explanation:
because -1 raised to odd number is -1
Answer:
mona is 10 and billy is 5 :)
Step-by-step explanation:
Hey there!
The answer is C.

To calculate the mean, you add all the values together then divide by the amount of values you have.
Since we are adding 5 numbers together, we divide it by 5.
Don't let the subtraction signs confuse you, it just means that some of the numbers are negative.
Hope this helps!