Which is the most effective way to obtain a random sample of your school population
1 answer:
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I didn't really get the which part because we shape it to serveral factors, this is one of them
Answer:
A
Step-by-step explanation:
Given
x - 8 = - 12 ( multiply through by 3 to clear the fraction )
x - 24 = - 36 ( add 24 to both sides )
x = - 12 → A