Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 120 in. Suppose you want to mail a box with square sides so that its dimensions are 
and it's girth is 
What dimensions will give the box its largest volume?
A. 20 in. × 20 in. × 40 in.
B. 40 in. × 20 in. × 40 in.
C. 
in. × 
in. × 20 in.
D. 20 in. × 20 in. × 100 in.
Answer: C
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Provide an appropriate response.Perform the indicated operations: 
3 - 2
+ 42 ÷ 
0
A. -182 B. -291 C. 57 D. -53
Find a formula for the expression. Use sigma notation.
n
A. 
B. 
C. 
D. 
Solve.The number B (measured in thousands) of a certain type of endangered bird can be approximated by the equation B = 1.82x2 + 3.6x + 6.27, where x is the number of years after 1998. How many birds does the equation predict there will be in the year 2002?
A. 43,520 birds B. 27,950 birds C. 38,990 birds D. 49,790 birds
Solve the problem.A man 6 ft tall walks at a rate of 5 ft/s away from a lamppost that is 16 ft high. At what rate is the length of his shadow changing when he is 30 ft away from the lamppost?
A. 3 ft/s
B. 
ft/s
C. 
ft/s
D. 25 ft/s