Complete the recursive formula of the geometric sequence 16, 3.2, 0.64, 0.128, a(1) = a(n) = a(n − 1).

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

40 describe the outliers from the scatter plot.

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?