Volunteers at Sam's school use some of the student council's savings for a special project. They buy 3 backpacks for $7 each and fill each backpack with paper and pens that cost $6. By how much did the student council's savings change because of this project? The savings was changed by
dollars.

Abag contains 3 blue and 2 green marbles. what is the probability of drawing a blue marble followed by a green marble, without replacing the first marble?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events