Step-by-step explanation:
1.

2.

3.

4.

5.

6. Incomplete (3b + ?)
7.

8.

It's +31.
if there's a minus next to a bracket you have to turn every operator the opposite inside that bracket
-(-31) = +31
What was ur bday last year and then add one day onto it. So say last year it was Tuesday then this year it would be Wednesday
Answer:
7/6
Step-by-step explanation:
6*1=6
6+1=7
7/6
Hope this helped! :)