Multiply and then, if possible, simplify by factoring.
A. 10x
B. 10
C. 100
D. 
x
Answer: B
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = ?/6 to x = ?/2. The cross sections perpendicular to the x-axis are circular disks with diameters running from the curve 
to the curve 
A. (2
- 2) ? - 
B. 
- 
C. (
- 1) ? + 
D. 
- 
Solve the problem. Use ? = 3.14 when necessary.A certain marine engine has cylinders that are 3.25 cm in diameter and 4.85 cm deep. Find the total volume of 6 cylinders.
A. 593.9 cm3 B. 482.6 cm3 C. 40.2 cm3 D. 241.3 cm3
Provide an appropriate response. Multiply: 2ab(3cd - 5ac - 7bd) =
A. 6abcd - 10a2bc + 14 ab2d B. 6abcd - 10a2bc - 14 ab2d C. 6abcd + 10a2bc + 14 ab2d D. 6abcd + 10a2bc - 14 ab2d
Solve the problem.A radio telescope has a parabolic surface. If it is 1 m deep and 20 m wide, how far is the focus from the vertex? 
A. 100 m B. 5 m C. 1 m D. 25 m