Perform the indicated operation.(-84) ÷ 21
A. -
B. 4
C. -4
D. -14
Answer: C
Mathematics
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Evaluate the integral.dx
A. + C
B. ecos-1 x + C
C. -esin-1 x + C
D. + C
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Select the more reasonable temperature for the item.Room temperature20°C20°F
A. 20°F B. 20°C
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Determine whether matrix B is the inverse of matrix A by finding the product AB.A = , B =
A. B = A-1 B. B ? A-1
Mathematics
Evaluate the expression.
A. 1 B. 11 C. 0 D. 39,916,800
Mathematics