Find the mean. Round to the nearest tenth unless otherwise stated.Annual salaries: $21,096, $18,265, $30,962, $24,944Round to the nearest whole number.
A. $23,816
B. $23,817
C. $18,265
D. $21,096
Answer: B
Mathematics
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Compute the empirical probability that at most two heads occur.
A. 
B. 1
C. 
D. 
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Solve the problem.At a pizzaria, the cost of a pizza is $18.75 plus $0.80 for each topping. Express the total cost of a pizza, C, as a function of the number of toppings, n.
A. C = 18.75n + 0.90 B. C = 18.75 + 0.90n C. C = 18.75n + 0.80 D. C = 18.75 + 0.80n
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Insert < or > to write a true statement.8 
9
A. 8 < 9 B. 8 > 9
Mathematics
Use the graph of the function f to solve the inequality.f(x) > 0
A. (-3, 2) ? (3, ?) B. (3, ?) C. [-3, 2] ? [3, ?) D. (-?, -3) ? (2, 3)
Mathematics