Which is the best estimate of
of(+3):
-18
O 18

please help

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Which graph represents the parent function of y=(x+2)(x-2)

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?