Fill in the blank using elementary row operations to form a row-equivalent matrix.
A. 
?
B.
?
C.
?
D.
?
E.
?
Answer: A
Mathematics
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Solve the problem.The cost of renting a car is $27 a day plus 20 cents per mile. Use a linear model to determine how far Lisa can drive in one day if she only has $107?
A. 535 mi B. 215 mi C. 80 mi D. 400 mi
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Round the decimal to the indicated place value.53.123415
ten-thousandth
A. 53.12342 B. 53.1234 C. 53.1235 D. 53.123415
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Convert the given number to scientific notation.0.000014914
A. 1.4914 × 104 B. 1.4914 × 10-5 C. 1.4914 × 105 D. 1.4914 × 10-4
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Find the limit.
csc-1 x
A. - 
B. ?
C. 
D. 0
Mathematics