Provide an appropriate response.Which of the following space regions is (are) closed?i.The hemispherical region centered at the origin with z > 0 and radius r bounded by 0 ? r ? roii.The xy-planeiii.The half-space x > 0iv.Space itself
A. ii, iii, and iv
B. iv only
C. ii only
D. ii and iv
Answer: D
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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Subtract.10 - (-9)
A. 1 B. -19 C. 19 D. -1
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Evaluate the triple integral.
A. 14 B. -86.67 C. 5 D. 9
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Graph the solution of the system. x + y ? 7y ? 7x - 3x ? 0y ? -3
A. 
B. 
C. 
D. 
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