Find the product.(x + 2y)3
A. x3 + 6x2y + 12xy2 + 8y3
B. x3 + 8y3
C. 3(x + 2y)
D. x3 + 2x2y + 4xy + 4xy2 + 8y2 + 8y3
Answer: A
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How fast is the radius of the wetted area expanding when the radius is 
(Round your answer to four decimal places.)
A. 0.0279 mm/s B. 71.6283 mm/s C. 0.0140 mm/s D. 0.0877 mm/s
Solve the problem.A rectangular garden has a perimeter of 196 feet. The length of the garden is 18 feet more than the width. What are the dimensions of the garden?
A. 80 ft by 98 ft B. 58 ft by 76 ft C. 40 ft by 58 ft D. 89 ft by 107 ft
Solve the problem.Round the quota q = 6.481 using the Huntington-Hill rounding rules.
A. 8 B. 7 C. 5 D. 6 E. 42
Find 
by implicit differentiation.
?
?
A. 
B. 
C. 
D. 