David has three bags of groceries weighing a total of 25 1/2 pounds two of the bags weigh 7 5/8 pounds and 4 3/4 pounds how much does the third bag weigh? a. 20 6/8 b. 17 7/8 c. 13 1/8 d. 12 2/8 me i do not understand

6.3x+14 and 1.5x-6 answer in simplified form

The variable in a relation who’s value depends on the value of the independent variable is called what?

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?