Answer:
Step-by-step explanation:
33
Answer:

Step-by-step explanation:
2 divided by 6 is 
To confirm it,

Answer:
29
Step-by-step explanation:
x+61=90
This is because they are complementary angles.
You can tell by the little square in the corner next to them
x=29
Answer:
Use a spreadsheet.
Step-by-step explanation:
If you mean a household budget you could use a spreadsheet.
The columns would be months and the rows would be items of expenditure and income.
You use formulae ( provided by the spreadsheet) to do additions, subtractions and so on.