Solve the equation by factoring.x2 - 4 = 0

A. {2}
B. {2, -2}
C. {-2}
D. {4}


Answer: B

Mathematics

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Make a probability distribution for the given set of events.When two balanced dice are rolled, 36 equally likely outcomes are possible as shown below.   Let X denote the smaller of the two numbers. If both dice come up the same number, then X equals that common value. Find the probability distribution of X. Leave your probabilities in fraction form.

A.

B.

C.

D.

Mathematics

Solve the problem.A company that produces bicycles has costs given by the function , where x is the number of bicycles manufactured and C(x) is measured in dollars. The average cost to manufacture each bicycle is given by (x) = .What is the horizontal asymptote for the function ? Describe what this means in practical terms.

A. y = 20; $20 is the least possible cost for producing each bicycle. B. y = 25,000; $25,000 is the least possible cost for running the company. C. y = 20; 20 is the minimum number of bicycles the company can produce. D. y =25,000; 25,000 is the maximum number of bicycles the company can produce.

Mathematics

Evaluate the root.-

A. -81 B. 9 C. 27 D. -9

Mathematics

The graphs show the sales of two companies competing for market share.If x represents Company B's sales in 2005 and y represents Company B's sales in 2008, the relationship between x and y is

A. x = y B. x > y C. x < y

Mathematics