The model shows the addition expression 18 + 12. (A model containing 3 rows of 6 orange squares and 3 rows of 4 blue squares)

One expression that is equivalent to this sum is . 1. 3 + 6 + 4 2. 3(6 + 4) 3. 3 + 6(4) 4. 3(6) + 4

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?

Select all the statements that apply to this figure

How many ordered pairs of positive integers satisfy xy=32?