Find the radius of the circle

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.