Solve the problem.Suppose a charitable organization decides to raise money by raffling a trip worth $500. If 3,000 tickets are sold at $1.00 each, find the expected value of winning for a person who buys 1 ticket.
A. -$1.00
B. -$0.83
C. -$0.85
D. -$0.81
Answer: B
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Provide an appropriate response.Ellen's health plan has a $10.00 copayment for complete pregnancy care. Let x represent the number of prenatal visits and y represent her cost for the pregnancy. Write an equation which represents the relationship between her cost for the pregnancy and her number of prenatal visits; describe the graph of this equation, and identify the intercepts.
What will be an ideal response?
If the following number is a composite number, write it as a product of prime factors. Otherwise, identify it as prime.231
A. 3 ? 7 ? 11 B. 21 ? 11 C. 7 ? 7 ? 3 D. 3 ? 3 ? 11
Factor completely.3x2 - 15x + 18
A. (3x - 6)(x - 3) B. 3(x - 2)(x - 3) C. 3(x - 6)(x + 1) D. Prime
Find all solutions of the following equation. 
a. x= 0, 1 b. x = 0, 5 c. x = -1, 5 d. x = -1, 0 e. x = -1