So for this, factor x^3 + x^2 and x + 1 separately. Make sure that they have the same quantity on the inside: 
Now you can rewrite the expression as:
, which is your final answer.
Answer: The data is a random sample from the population of interest.
And
Individual observations can be considered independent.
Step-by-step explanation:
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35 because multiplying 5 and 7 will equal 35, therefore 35/5=7.
41.625 feet long because it is the product of 4 5/8*9