Distributive property is used when you have a number outside a set of numbers in parenthesis.
Using the distributive property, you multiply the number outside the parenthesis by each number inside the parenthesis.
The first answer is correct because they are multiplying 9 by 20 and adding it to 9 multiplied by 6.
<u>Final Answer:</u>
60 would be the interquartile range of the following data set.
<u>Explanation:</u>
1, 5, 12, 14, 29, 45, 48, 61, 72, 84, 96
Median: 45
Lower Quartile: 12
Upper Quartile: 72
Interquartile Range: Upper Quartile - Lower Quartile = final answer
Interquartile Range: 72 - 12 = 60
