Solve the problem.If the police have 8 suspects, how many different sets of 5 suspects can they select for a lineup?
A. 336
B. 40
C. 6720
D. 56
Answer: D
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Use the table to answer the question. Write the number in words. 
Which type of housing is least used?
A. renting a house; five billion, one hundred fifty-three thousand, three hundred fifty-four B. owning a condo; seven thousand, three hundred seventy-nine million, two hundred eleven C. owning a condo; seven million, three hundred seventy-nine thousand, two hundred eleven D. renting a house; five million, one hundred fifty-three thousand, three hundred fifty-four
Write the underlined phrase with the requested approximation in scientific notation.An airline estimated that 
Round this number to the nearest ten million and write a sentence indicating the approximation in scientific notation.
A. The total number of gallons of gas consumed was approximately 2.47 × 1010. B. The total number of gallons of gas consumed was approximately 2.46 × 1010. C. The total number of gallons of gas consumed was approximately 2.47 × 109. D. The total number of gallons of gas consumed was approximately 2.46 × 109.
Provide an appropriate response.If s3t3 + 2r2 - s2 = 1, then 
=
A. - 
.
B. 
.
C. 4r.
D. 
.
E. none of the above
Subtract. Write the answer in lowest terms as a mixed number.
A. 17
B. 16
C. 16
D. 15