Write the inequality in interval notation.-9 < x < 9
A. (-?, 9)
B. (-9, 9)
C. [-9, 9]
D. (-9, 9]
Answer: B
Mathematics
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Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics
Graph the equation.4x + 5y - 18 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the median. Round to the nearest tenth when necessary.23, 23, 37, 44, 71, 73, 77
A. Median = 71 B. Median = 37 C. Median = 44 D. Median = 50.2
Mathematics
Consider the functions f and g as shown in the graph. Answer the question.What is the domain of f - g?
A. {
-3 ? x ? 3}
B. {
-1 ? x ? 4}
C. {
-3 ? x ? 4}
D. {
-1 ? x ? 3}
Mathematics