Factor.729 - y3
A. (729 - y)(1 + 9y + y2)
B. (9 - y)(81 + 9y + y2)
C. (9 + y)(81 - 9y + y2)
D. (9 - y)(81 + y2)
Answer: B
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Solve the problem.The velocity field F of a fluid has a constant magnitude k and always points towards the origin. Following the smooth curve y = f(x) from (a, f(a)) to (b, f(b)), show that the flow along the curve is 
ds = k[(a2 + (f(a))2)1/2 - (b2 + (f(b))2)1/2]
What will be an ideal response?
Solve the problem.Round 13.48655 to the nearest hundredth.
A. 13.4866 B. 13.49 C. 13.50 D. 13.487
Solve the problem.Pennies are packaged 50 in a roll. A mother broke open some rolls of pennies. She gave her son 
and she had 36 pennies left over. How many rolls of pennies did she break open?
A. 6 rolls B. 7 rolls C. 4 rolls D. 5 rolls
Solve the inequality and graph the solution set.
? 7
A. [-5, 11]
B. [-5, 9]
C. (-5, 9)
D. ?