Evaluate the improper integral.
A. 432
B. 288
C. 360
D. 216
Answer: B
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Write the converse of the statement.p ? ~q
A. q ? p B. ~p ? q C. ~q ? p D. ~(p ? q)
The building code in a certain town requires that a house be at least 11 ft from the boundaries of the lot. The buildable area (or building envelope) for the rectangular lot shown in the figure is given by
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A = (x - 22)(y - 22)
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Expand to express A as a polynomial in x and y.
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A. xy + 22x + 22y - 484 B. xy - 22x - 22y + 539 C. xy - 22x - 22y + 484 D. xy - 11x + 11y - 454 E. xy - 11x - 11y + 484
Solve the problem.Use the formula R = log
, where the magnitude of an earthquake on the Richter scale is based on I, the measurement of a seismic wave, and I0, the measurement of a seismic wave of a level zero earthquake with the same epicenter. An earthquake was recorded which was 2,511,886 times more powerful than a reference level zero earthquake. What is the magnitude of this earthquake? (Round to the nearest tenth.)
A. 5.4 B. 6.4 C. 0.6 D. 14.7
Write the system of linear equations as a matrix equation AX = B, and use Gauss-Jordan elimination on the augmented matrix 
to solve for the matrix X.
A. 
B. 
C. 
D. 
E. 