Answer:
i would say it was either A or C
The answer is 4.5, since 1 & 8 are in the middle you add those two numbers and divide by two so 1+8=9 and 9/2=4.5
Hi,
Here is the equation.

Each person would get 4.28 marbles.
Hope this helps.
r3t40
Answer:
distributivity/distributive property
The answer is x=-17
X+7=-10
X=-10-7
X=-17