Multiply.(-4x - 8)(2x - 10)
A. -2x2 + 24x + 24
B. -8x2 + 24x + 24
C. -2x2 + 24x + 80
D. -8x2 + 24x + 80
Answer: D
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Calculate the circulation of the field F around the closed curve C.F = y3i + x2j; curve C is the counterclockwise path around the triangle with vertices at 
, and 
A. 0
B. - 
C. 
D. 
Use Fleury's algorithm to find an Euler circuit for the graph beginning and ending at the indicated vertex. If no Euler circuit exists, state this.Using the following graph, find an Euler circuit that begins and ends with vertex A.
A. A ? B ? C ? D ? E ? A ? B B. A ? B ? C ? D ? B ? A C. A ? B ? C ? D ? B ? E ? A D. No Euler circuit exists.
Write the percent as a decimal.46.6%
A. 0.0466 B. 0.466 C. 46.6 D. 4.66
Solve the problem.Find the mass of the region of density 
bounded by the hemisphere 
and the xy-plane.
A. 20? B. 10? C. 5? D. 40?