Simplify.(-8)2 + (-6)2 + 8
A. -108
B. 204
C. -204
D. 108
Answer: D
Mathematics
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Find the volume of the indicated region.the region bounded below by the xy-plane, laterally by the cylinder 
and above by the plane 
A. 7? B. 196? C. 49? D. 28?
Mathematics
Find the derivative of y.y = cosh x7
A. -7x6 sinh x7 B. -sinh x7 C. 7x6 sinh x7 D. sinh x7
Mathematics
Find the area of the square.
A. 200 sq m B. 20 sq m C. 40 sq m D. 100 sq m
Mathematics
Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 687 ohms B. 668 ohms C. 675 ohms D. 672.5 ohms
Mathematics