Solve the problem.A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 
What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary.
A. 3.6 ft × 3.6 ft × 3.6 ft
B. 9.8 ft × 9.8 ft × 0.5 ft
C. 4.6 ft × 4.6 ft × 2.3 ft
D. 5.3 ft × 5.3 ft × 1.8 ft
Answer: C
Mathematics
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L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. -1 B. 0 C. ? D. 1
Mathematics
Multiply. Write your answer in the form a + bi.(5 + 8i)(8 + 8i)
A. -24 - 104i B. 64i2 + 104i + 40 C. 104 + 24i D. -24 + 104i
Mathematics
Factor and simplify the algebraic expression.(x + 4)-1/3 - (x + 4)-2/3
A. 
B. 
C. 
D. (x + 4)-1/3 - (x + 4)-2/3
Mathematics
The speed of a runner increased steadily during the first three seconds of a race. Her speed at half-second intervals is given in the table. Find a lower estimate for the distance that she traveled during these three seconds.
Mathematics