Answer this asap 20 points(i need proof)

in a balanced budget, what is the relationship between income and expenses?

a.
income < expenses

b.
income > expenses

c.
income = expenses

d.
income ≤ expenses

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?