Solve the problem.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $120 for 3 days and 300 miles, while Mary was charged $223 for 5 days and 600 miles. What does Best Rental charge per day and per mile?

A. $23 per day and 17? per mile
B. $17 per day and 23? per mile
C. $18 per day and 24? per mile
D. $16 per day and 24? per mile


Answer: B

Mathematics

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Provide an appropriate response.Which one of the following is equal to the given expression?641/2

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Factor completely.21x3 - 9x2 + 15x

A. 3x(7x3 - 3x2 + 5x) B. 3(7x3 - 3x2 + 5x) C. 3x(7x2 - 3x + 5) D. x(21x2 - 9x + 15)

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Multiply.(3x + 10)(6x + 10)

A. 9x2 + 90x + 100 B. 18x2 + 90x + 90 C. 9x2 + 90x + 90 D. 18x2 + 90x + 100

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Solve.One of 13 initial applicants for a certain job will receive a first interview. Of those who receive a first interview, one of 9 will receive a second interview. What fraction of initial applicants will receive a second interview? 

A.
B.
C.
D.

Mathematics