Multiply.(11a + 3c)(11a - 3c)
A. 11a2 - 3c2
B. 121a2 + 66ac - 9c2
C. 121a2 - 9c2
D. 121a2 - 66ac - 9c2
Answer: C
Mathematics
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Solve.The population of an endangered species living in a controlled habitat is given by the equation
where P is the population and t is the time in months since the population was moved to the habitat. Graph the equation for t = 0, 6, 12, and 18.
A. 
B. 
C. 
D. 
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Use the properties of summation notation to find the sum. 
A. - 15 B. 21 C. 3 D. 18
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Solve the equation.
- 
= 
A. -5, 5 B. -5 C. No solution D. 5
Mathematics