What is the value of the expression (5)"?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

What is the solution of log2  (3x  -  7)  =  3? 4 5

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?