A music teacher is buying new band equipment. He must spend fewer than $1000 on supplies. He plans to buy a drum set that is $505 and will
spend the rest of his money on music stands that are $15 each. Write an
inequality that models this situation. (Use m = the number of music
stands). *

505 + 15m < 1000

Step-by-step explanation:

After the $505, m calculates the amount of music stands they can buy, but he has to spend less than $1000.

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.