There are 3 red marbles, 5 green marbles, and 2 blue marbles in a jar. event a is defined as drawing a red marble from the jar on the first draw. event b is defined as drawing a green marble on the second draw. if two marbles are drawn from the bag, one after the other without replacement, what is p(b|a) expressed in simplest form?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 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?