Multiply.-8x7(-2x5 - 11x4)
A. 104x12 + 104x11
B. 16x12 + 88x11
C. 104x7
D. 16x12 - 11x4
Answer: B
Mathematics
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Solve the problem.Find the center of mass of the region of constant density bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 27
B. 
= 0, 
= 0, 
= 3
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Round the number to the place indicated.Round to the nearest thousandth: 54.2411
A. 54.24 B. 54.240 C. 54.241 D. 54.242
Mathematics
Find the real solutions of the equation.
- 
= 3
A. {2} B. {2, 38} C. {3, 8} D. {-2}
Mathematics