The GCF is 5, which can be factored out of the expression
Note how
30a = 5*6a
35 = 5*7
So we see the common factor between the two terms. You use the distribution property to pull out that 5. If you were do distribute the 5 back in, you'd get
Answer: True. Questions should be collecting unbiased data that can be used in fact-finding. Having questions that are unrelated would not benefit the questionnaire. The questions within the questionnaire are one of the most important things. So, your answer would be A) true.