Solve the equation.
x = 72
A. 
B. 
C. {81}
D. 
Answer: C
Mathematics
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Simplify. Assume that all variables represent positive numbers.
A. 5.5x4yz2
B. 11x4z2
C. 11x6z3
D. 5.5x4z2
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Solve the problem.The logistic growth model 
represents the population of a bacterium in a culture tube after t hours. When will the amount of bacteria be 610?
A. 10.21 hr B. 4.43 hr C. 1.62 hr D. 7.4 hr
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Use the Distributive Property to remove the parentheses.4x(x + 5)
A. 4x2 + 20x B. x2 + 20x C. 20x2 D. 4x2 + 5
Mathematics
Factor the polynomial completely.27a4b - 12b3
A. 3b(3a2 + 2b)(3a2 - 2b) B. 3b(3a + 2b)2 C. 3b(3a - 2b)2 D. (9a + 6b)(3ab - 2b2)
Mathematics