Really need and
see picture part e and f

Abcd is a square. what is the measure of angle bac

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?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.