Factor the Greatest Common Factor from the Polynomial $15 x y + 21 x z - 6 x w$

question 37

Multiple Choice

Factor the greatest common factor from the polynomial. Assume any variable exponents represent whole numbers.
- $15 x y + 21 x z - 6 x w$

• A) \(3 ( 5 x y + 7 x z - 2 x w )\)
• B) \(x ( 15 y + 21 z - 6 w )\)
• C) \(3 x ( 5 y + 7 z - 2 w )\)
• D) \(x ( 15 x y + 21 x z - 6 x w )\)

---

Definitions:

Sample Size

The number of observations or units chosen from a population to participate in a study.

Confidence Interval

A sequence of values, stemming from sample analyses, presumed to contain the value of an undisclosed population parameter.

Confidence Level

The probability or percentage that expresses how certain one can be about the confidence interval containing the true parameter value.

Confidence Level

The probability that a confidence interval contains the true population parameter.