Thomas has 12 more marbles than twice the number of marbles Andrew has. Andrew has x marbles. which expression represents how many marbles thomas has?
A. x + 2 + 12
B. x+12(2)
C.2x+12
D.2(x+12)​

What is the value of the expression below? 148+(-6)| + |– 35= 7|

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?

3x + 4y = 5 x- 3y = -7 solve by substitution