George borrowed $300 from a family member. he told the family member he would pay $50 each month for 6 months to pay it all back. which expression would represent the change in the amount of money george has after 6 months?
a)300÷6
b)300÷(-6)
c)-50×6
d)-50×(-6)

Which question is not a good survey question? a. don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d. are you happy with the availability of electronic products in your state?

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Willard f. libby received his undergraduate degree from . after he completed his graduate work, he became a professor at . in 1960, he won a nobel prize in .