1. Simplify: 8x ÷ (-1/4)

-32x

Step-by-step explanation:

Dividing a fraction is the same as multiplying its reciprocal, so we can rewrite the expression as 8x (-4).

We then solve, getting -32x.

-32x

Step-by-step explanation:

Hello!

when you divide by a fraction you multiply the denominator to the dividend

8x * -4 = -32x

The answer is -32x

Hope this helps!

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.