Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
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At age 25 you start to work and are offered two retirement options.
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Retirement option 1: When you retire, you receive a lump sum of $25,000 for each year of service.
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Retirement option 2: When you start to work, the company will deposit $10,000 into an account that pays a yearly compound interest rate of 13%.
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A: Write a formula that gives your retirement payment 
, in dollars, if you retire after t years of service under retirement option 1.
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B: Write a formula that gives your retirement payment 
, in dollars, if you retire after t years of service under retirement option 2.
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C: Make a graph that shows the retirement payment for each option over the 40 years of service.
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D: How many years of service will result in the same payment from either option? (You will work more than 1 year.) Round your answer to two decimal places if necessary.
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What will be an ideal response?
Solve the problem.Find the values of a, b, and c such that the parabola 
contains the points 
and 
A. a = 1; b = -4; d = -5 B. a = -1; b = -5; c = -4 C. a = 1; b = -5; c = -4 D. a = -1; b = -4; c = -5
Simplify the radical expression.
? 
A. 
B. 2
C. 2
D. 
Convert as indicated. Express the answer in decimal form when needed.2 days to minutes
A. 2880 min B. 7200 min C. 172,800 min D. 48 min