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. 0.25
B. 0.69
C. 0.57
D. 0.31
Answer: D
Mathematics
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Add. Write the answer in lowest terms.
A. 26
B. 24
C. 25
D. 17
Mathematics
Solve the equation.
+ 
= 
A. {0, 5} B. ? C. {0} D. {-5}
Mathematics
Find the indicated tangent line.Find the tangent line to the graph of f(x) = 3e-7x at the point (0, 3).
A. y = 21x - 3 B. y = 3x + 3 C. y = 7x - 3 D. y = -21x + 3
Mathematics
Find the determinant of the matrix.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics