Using the gcf you found in part b, rewrite 72 + 81 as two factors. one factor is the gcf and the other is the sum of two numbers that do not have a common factor. show your work. (4 points)

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?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays