. The expression 5n + 2 can be used to find the total cost in dollars of bowling where n is the number of games bowled and
2 represents the cost of shoe rental. How much will it cost
Vincent to bowl 3 games?

$17

Step-by-step explanation:

If n is the number of bowls, then replace n with 3

5(3) + 2 = x

15 + 2 = x

x = 17

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.