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
Answer: B
Mathematics
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Find the equation of the hyperbola satisfying the given conditions.Vertices at (3, 0) and (-3, 0); foci at (10, 0) and (-10, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Simplify. Assume that all variables represent nonzero quantities.(-7x)0 + (-13y)0
A. 2 B. -2 C. -20 D. 0
Mathematics
Provide an appropriate response.Solve:x2 - x - 6 ? 0
Fill in the blank(s) with the appropriate word(s).
Mathematics
Subtract. Write a mixed numeral for the answer.14
- 2
A. 12
B. 11
C. 9
D. 12
Mathematics