Find the Difference $( - 9 x + 8 ) - ( 2 x + 4 )$

question 47

Multiple Choice

Find the difference $( - 9 x + 8 ) - ( 2 x + 4 )$ .

• A) -11 x+2
• B) -7x+12
• C) \(- 7 x ^ { 2 } + 12\)
• D) -11 x+4
• E) \(- 7 x ^ { 2 } + 4\)

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Definitions:

IQR

The interquartile range, a measure of statistical variability between the 25th and 75th percentiles.

Range

The difference between the highest and lowest values in a dataset, providing a measure of the data's dispersion.

Standard Deviation

An indicator calculating the spread of data around the mean, achieved by the square root of the variance.

Mean

The average of a set of numbers, calculated by dividing the sum of these numbers by the count of the numbers in the set.