Solve.If y varies inversely as the cube of x, and y = 81 when x = 3, find y when x = 27.
A. 
B. 729
C. 9
D. 1
Answer: A
Mathematics
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Evaluate the integral.
A. 
B. 
C. Diverges
D. 1
Mathematics
Evaluate the logarithm, if possible. Round the answer to four decimal places.ln 0.000873
A. -7.0436 B. 7.0436 C. -3.0590 D. 3.0590
Mathematics
Calculate.7[2 + 2(42)]
A. 462 B. 238 C. 4900 D. 700
Mathematics
Find the determinant of the matrix and determine if the matrix is invertible.
Mathematics