Postal regulations specify that a parcel sent by parcel post may have a combined length and girth of no more than 102 in. Find the dimensions of a rectangular package that has a square cross section and the largest volume that may be sent through the mail. What is the volume of such a package?
(Hint: The length plus the girth is 
(see the figure)).
?
?
A. 
B. 
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Evaluate the iterated integral.
dy dx
A. 
ln 2
B. 6 ln 2
C. 
ln 2
D. 
ln 4
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Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
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Suppose that P is the endpoint of a segment PQ and M is the midpoint of PQ. Find the coordinates of endpoint Q.P(2, 8), M
A. Q
B. Q
C. Q(-9, 6)
D. Q
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Perform the indicated operations. Write the resulting polynomial in standard form.(x - 7)(x2 + 7x + 49)
A. x3 - 7x - 343 B. x2 - 343 C. x2 + 49x - 343 D. x3 - 343
Mathematics