Answer:
1) -5
2)7
3)-7
4)-1
5)12
6) -6
Step-by-step explanation:
3/8+4/8=7/8
It moves 3/8 first, then 4/8.
Nadine does not use (variables).
The operations Nadine uses are the (same as) the operations Shay uses.
They use the operations in (same) order.