Multiply.
? 
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Solve the rational inequality. Express the solution in interval notation.
< 3
A. (-?, -9) ? 
B. (-?, -9) ? (9, ?)
C. 
D. 
? (9, ?)
Mathematics
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
Simplify.
A. -10 B. 5 C. -5 D. 10
Mathematics
An arithmetic sequence is given. Find the common difference and write out the first four terms.
A. d = 
; 
, 
, 
, 
B. d = 
; 
, 
, 
, 
C. d = 
; 
, 
, 
, 
D. d = 
; 
, 
, 
, 
Mathematics