Solve the problem.Let R ={(x, y): 1 ? x < 4, 0 ? y < 9}. Evaluate 
dA, where f is the function 
A. 171
B. 27
C. 9
D. 261
Answer: A
Mathematics
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Use the given vectors u, v, w, and z to draw the indicated vector. 
v - w
A. 
B. 
C. 
D. 
Mathematics
If one student is selected at random what is the probability that he or she spent at least 5 hours in the lab?
Use the following information to answer questions 2-10. 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below. 3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
Mathematics
Provide an appropriate response.The random variable X has density function f(x) = 
Find the cumulative distribution function F over 
.
What will be an ideal response?
Mathematics
Express the number in terms of i.
A. 3
i
B. 6i
C. 2
i
D. -2
i
Mathematics