when does the state of a substance change from solid to liquid or from liquid to solid? The states of different substances change at different temperatures. How do their melting pointsW compare to that of ice? How can you use absolute values to solve problems about melting points?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

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?