Find the indicated rate.Tim's car will go 448.5 miles on 19.5 gallons of gasoline in city driving. What is the rate in miles per gallon?
A. 
mpg
B. 23.5 mpg
C. 22.5 mpg
D. 23 mpg
Answer: D
Mathematics
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Perform the indicated operations.5(4x + 4y)(4x - 7y)
A. 80x2 - 60xy - 140y2 B. 40x2 - 285xy - 140y2 C. 80x2 - 60xy - 4y D. 40x2 - 60xy - 140y2
Mathematics
Find the probability.A lottery game has balls numbered 1 through 15. What is the probability of selecting an even numbered ball or a 7?
A. 
B. 
C. 
D. 
Mathematics
First, indicate what number to use as the trial divisor. Then use the trial divisor to find the first digit in the quotient and write it in the correct position. Do not finish the division.
What will be an ideal response?
Mathematics
Find P(18 ? x ? 21) given that the distribution for x is Normal (20, 2.5).
What will be an ideal response?
Mathematics