Mark made this number line to find difference. what was he subtracting from 100? the line is 57 to 60 to 80 to 100

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?

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?