Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: C
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The period T (in seconds) of a pendulum is 
, where L is the length of the pendulum (in feet). Find the period of a pendulum whose length is 10.0000 feet.
?
A. 1.010 sec B. 3.511 sec C. 5.511 sec D. 4.511sec E. 4.011 sec
Match the equation with the surface it defines.
+ 
+ 
= 1 
A. Figure 3 B. Figure 2 C. Figure 1 D. Figure 4
Determine the sum of the measures of the interior angles of the specified polygon.A 14-sided polygon
A. 2520° B. 2880° C. 2340° D. 2160°
Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 4 ? x ? 4, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 4 B. 13 C. 17 D. 7