Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find an antiderivative of the given function.9 csc 7x cot 7x
A. - 
csc 7x
B. - 
cot 7x
C. 
csc 7x
D. -9 csc 7x
Mathematics
Subtract.59 - 0.0217
A. 58.9783 B. 59.0217 C. 59.0783 D. 58.4783
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-4x + 5y - 2z = 48x - 10y + 4z = -86x + 20y - 6z = -4
A. 
B. 
C. 
D. No solution
Mathematics
Solve the system by using the inverse of the coefficient matrix. -3x1 - 2x2 = 2 6x1 + 4x2 = 8
A. No solution
B. 
C. (2, 8)
D. (-2, -2)
Mathematics