Write the rational expression in lowest terms.
A. 
B. 
C. 
D. -1
Answer: A
Mathematics
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Find the volume under the surface of the specified figure. z = x2 + y2; R = {(x, y): 0 ? x ? 4, -3 ? y ? 1}
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.5xy + 20x + 7y + 28
A. (5x + 4)(y + 7) B. (5x + 7)(y + 4) C. (5x + 7y)(y + 4) D. (5x + y)(7y + 4)
Mathematics
Plot the complex number in the complex plane.z = 1 + 6i
A. 
B. 
C. 
D. 
Mathematics
Multiply. Write the answer in lowest terms.- 
? 7
A. 
B. - 
C. 
D. - 
Mathematics