Write a function rule for the total cost in dollars of gasoline if r gallons of gasoline for $4 per gallon. f(r)

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65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.