Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use the Trapezoidal Rule to estimate the total amount of water flowing into the pond during this period. Round your answer to the nearest gallon.
A. 7717 gal B. 8475 gal C. 8483 gal D. 9600 gal
If the number given is a mixed number, convert it to a fraction. If the number is given as a fraction, convert it to a mixed number.
A. 
B. 
C. 
D. 
A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters.The spherical zone generated when the upper portion of the circle x2 + y2 = 64 on the interval 
is revolved about the x-axis.
A. 384? m3
B. 
m3
C. 
? m3
D. 
? m3
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
? 2
A. 4 B. 6 C. 5 D. 2