Use the following definitions to determine if the statement is true or false. N = {x : x is a natural number}I = {x : x is an integer}R = {x : x is a real number}W = {x : x is a whole number}Q = {x : x is a rational number}I is a subset of Q.
A. True
B. False
Answer: A
Mathematics
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Solve the problem. Round your answer to 5 decimal places when necessary.The table shows the leading causes of death for one country in a single recent year. 
Assume a population of 68.5 million.What is the empirical probability of death by AIDS during a single year?
A. 0.00009 B. 0.009 C. 0.00090 D. 0.62
Mathematics
Divide.
A. 2.57 B. 257 C. 25.7 D. 0.257
Mathematics
Find the sum or difference.0.06 + (-6.971)
A. -7.031 B. -6.911 C. 0.418 D. -6.931
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 8
w = 3
Find 
.
A. 
B. 
C. 5
D. 5
Mathematics