Postal regulations specify that a parcel sent by parcel post may have a combined length and girth of no more than 90 in.
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Find the dimensions of a rectangular package that has a square cross section and the largest volume that may be sent through the mail. Hint: The length plus the girth is 
(see the figure).
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Dimensions: _____ x _____ x _____
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What is the volume of such a package?
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What will be an ideal response?
15, 15, 30; 6,750
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. -8 ln 
+ 5ln
+ C
B. -3 ln 
+ 5ln
- 3ln
+ C
C. -8 ln 
+ 5ln
+ 3ln
+ C
D. - 
+ 5ln
+ 3ln
+ C
Identify the type of sampling described by the proposal.To avoid working late, the plant foreman inspects the first 60 microwaves produced that day.
A. cluster sample B. simple random sample C. systematic sample D. convenience E. stratified sample
Find the numerical value of the rational expression for the given value of r.
, r = -3
A. 
B. Undefined
C. 5
D. 0
Sketch the graph of the function.
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A. ?
B. ?
C. ?
D. ?
E. ?
