this is ! will mark brainiest! 73-75! *ignore all work/questions/handwriting above

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8