The number of combinations of the 8 candidates taken 4 at a time is:
Answer:
People prefer pop music to any other type of music.
The least favorite genre of music is blues.
Four times as many people prefer pop music to blues.
Answer:

Step-by-step explanation:
We are given the expression:

First, factor the denominator
to
via difference of two squares:

Next, multiply the expression 5/(x+3) by
both denominator and numerator:

Add both together since they have same denominator now:

Simplify the numerator:

Therefore, the sum is:
Answer: <u>Multiplying</u> and <u>Dividing</u> are inverse operations
Multiplying by a number is the same as <u>dividing</u> by its <u>reciprocal </u>
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Step-by-step explanation: