Evaluate the surface integral of G over the surface S.S is the hemisphere x2 + y2 + z2 = 6, z ? 0; G(x,y,z) = z2
A. 8?
B. 12?
C. 144?
D. 24?
Answer: D
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Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Solve the problem.A circular fountain has a statue in its center, 3 m from the edge. What is the distance around the fountain? Use 3.14 for ?. Round your answer to the nearest tenth.
A. 16.8 m B. 9 m C. 18.8 m D. 9.4 m
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.Anne and Nancy use a metal alloy that is 20.45% copper to make jewelry. How many ounces of a 12% alloy must be mixed with a 25% alloy to form 100 ounces of the desired alloy?
A. 37 oz B. 35 oz C. 65 oz D. 70 oz
Identify the domain of f. Write your answer in set-builder notation.f(x) = 
A. {x|x ? -8, x ? 0, x ? 8} B. {x|x ? 0, x ? 64} C. {x|x ? -8, x ? 8, x ? -2} D. {x|x ? -8, x ? 8}