Question

>Don’t have to show the number line<

Answer 1

1. 10
-8+8=0+2=2
8+2=10

2.2/5+(-1/5)
2/5-1/5
1/5

3.
Factors of 4

1
2
4

Factors of 12

1
2
3
4
6
12

1 don't count in this case so the answer is 2

4.

8 1/4 =8.25. 8
10 2/5=10.40. 10
7 5/8= 7.625. 8

~26miles