C, D, and E would all be Statistical Questions.
Answer:
7x - 12
Step-by-step explanation:
'12 less' means thats u have to subtract 12 from the next number
'7 times a number' means 7 multiplied by a variable like x, y, or z
you put those two together and get 7x - 12
Answer:
Is this suppose to be math question??
B.
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<u>Step</u>-<u>by</u>-<u>step</u> <u>explanation</u>:

Taking
as common from first two terms and 1 from last two terms, we have

Taking the factor
as common,

