So,

Write in prime factored form.

Cross-cancel
Answer:
The opposite of a number is its additive inverse. The sum of a number and its opposite is zero. (This is sometimes called the property of opposites ). a+(−a)=0.
Answer:
The associative property is grouping
Step-by-step explanation:
Those events are dependent. Once you take out a DVD, you don't put it back, which means for the second DVD, there are less dvd's than there were you took the first one, meaning that there is a greater chance of you getting a specific DVD for your second one.