Solve the equation.
= 
A. 1
B. -1
C. 3
D. -3
Answer: A
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Solve the problem. 30% of the population of a village has a certain disease. If people in the village are selected successively at random, what is the probability that the 3th person selected is the first person with the disease?
A. 0.147000 B. 0.490000 C. 0.090000 D. 0.063000
Find the indicated limit, if it exists.
?
?
A. 
?
B. 
C. 
D. 
E. The limit does not exist.
Solve the problem.Below is a table of data from a high school survey given to 500 parents. Find the probability that a randomly chosen parent would agree or strongly agree that the school is clean. Round your answer to the nearest hundredth.
A. .35 B. 175 C. .44 D. .36
Use the zero-product property to solve the equation.2x(y - 11) = 0
A. x = 0 or y = ± 11
B. x = 0 or y = 11
C. x = 0 or y = - 
D. x = 0