Find the unknown length in the space figure.Find the distance x. Give an exact answer.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Mathematics
Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. x + 2y + 2z = -4 4y + 4z = 0 z = 3
A. Dependent B. Independent C. Inconsistent
Mathematics
Factor by grouping.x3 - x2 + 9x - 9
A. (x2 - 9)(x + 1) B. (x2 - 1)(x + 9) C. (x2 + 9)(x - 1) D. (x2 + 1)(x - 9)
Mathematics
Multiply.-y(9x3 - 2y + 8x - 2y3)
A. -9x3 + 2x2y - 8y2 + 2y3 B. 9x3y - 2y2 + 8xy3 - 2y4 C. -9x3 + 2xy2 - 8xy3 + 2 D. -9x3y + 2y2 - 8xy + 2y4
Mathematics