Which matrix is equal to 2
-6 -6.5 1.7
2 -8.5 19.3
6
LO
2
2
e
6.5
8.5
1.7 19.3
--6
2.
-6.5 -8.5
1.7 19.3
6
6.5
-1.7
-2
8.5 -19.3
--6 -6.5
1.7
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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?