Simplify
|a+3|+|a-3|, if -3

Brent wants to know what is 5 x 1/2

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?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2