Instructions: state what additional information is required in order to know that the triangle in the image below are congruent for the reason given ***I need help before it’s due**

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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?

Need showing work for this problem 56.25 ×25.80