Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income less than $25,000?
A. 0.23
B. 0.55
C. 0.72
D. 0.28
Answer: D
Mathematics
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Use the table(s) to evaluate the given expression.
(3) =
A. 1 B. -10 C. -1 D. 3
Mathematics
Prove:
Mathematics
Perform the indicated operations and express your answer in the form a + bi. 
A. 13 B. -13 C. 13i D. -13i
Mathematics
Solve the equation.8x = -64
A. 1 B. -72 C. -8 D. 72
Mathematics