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
Mathematics
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Solve the inequality. Give the solution set in both set-builder notation and graph form.8x - 5 < 19 and -2 - 3x > -17
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Determine the portion if the base is 25 and the rate is 6.4%. Use the percentage proportion.
A. 100 B. 1.6 C. 0.064 D. 390.625
Mathematics
Provide an appropriate response.One pipe can fill a certain tank in 40 minutes. A second pipe can fill the same tank in 30 minutes. How long will it take to fill the tank if both pipes are used? Round to the nearest hundredth minute.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the inequality. Graph the results.7x + 12 ? 6x + 15
A. x ? 3
B. x ? 3 
C. x > 7 
D. x < 7 
Mathematics