Solve the problem. Assume that probabilities are representative of the best strategies. Round to two decimal places, if necessary.A person has hired an investment broker to buy stock. The broker has three different stock funds that are of interest, but each is sensitive to a certain economic indicator that is impossible to predict. The indicator will be positive, neutral, or negative. The table below shows the payoffs in thousands of dollars. Find the expected value of the investment. 
A. 14.54
B. 46
C. 9.18
D. 42
Answer: A
Mathematics
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Answer true or false.If the two equations in a system of linear equations are added and the result is 
the system has no solution.
A. True B. False
Mathematics
Solve the problem.How many times more intense is an earthquake that measures 6 on the Richter scale than an earthquake that measures 1?
A. 100,000 B. 10,000 C. 5 D. 50
Mathematics
Find the derivative of y with respect to the independent variable.y = 10ln 5t
A. 
10ln 5t
B. 10ln 5t
C. 
10ln 5t
D. 
Mathematics
Identify the numbers from the given list that belong to the indicated set. 3, 
, -17, 0, 
, - 
, 3.6, 
, 0.
Natural numbers
A. 3, 0, 
B. 3, 
C. -17, 0, 3
D. 3, 0
Mathematics