Multiply or divide as indicated. Write the answer in lowest terms.
? 
A. 
B. 
C. 1
D. 
Answer: C
Mathematics
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Multiply.9 ? 3
A. 27 B. 12 C. 30 D. 24
Mathematics
Write the rational expression as an equivalent expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
What is the domain of f(x)? What is its range?f(x) = 
+ 5
A. Domain: (-?, -7) ? (-7, ?); range: (-?, 5) B. Domain: (-?, -5) ? (-5, ?); range: (-?, 0) ? (0, ?) C. Domain: (-?, 5) ? (5, ?); range: (0, ?) D. Domain: (-?, 7) ? (7, ?); range: (5, ?)
Mathematics
Solve the problem.The polynomial -0.1t2 + 8t describes the average number of digits that participants in a memorization experiment were able to recall after t minutes. Find the number of digits recalled after 6 minutes. Round to the nearest digit.
A. 44 digits B. 64 digits C. 24 digits D. 84 digits
Mathematics