Type the correct answer in the box. if necessary, use / for the fraction bar and reduce the fraction.
complete the statement.
if cos(theta)= 3/5 and theta is in quadrant iv, sin2(theta)=

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Ineed to know the answer to this algebra question.

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?