Answer:
-74
Step-by-step explanation:
First: 5-2=3
-9*3=-27
111÷3=37
Then do -27-37=-74
Answer:
-1/112
Step-by-step explanation:

It’s 28 dollars because it is a total amount
Answer:
3 9/10
Step-by-step explanation:
First the "whole number" part is 3.
The decimal part is 0.9. To convert that, keep the 9. Since the 9 is in the tenths place, it is 9/10.
Add them together: 3+9/10= 3 9/10
Final answer 3 9/10
Hope this helps