Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Answer the question.Suppose that a test for a disease correctly gives positive results for 95% of those having the disease and correctly gives negative results for 92% of those who don't have the disease. Suppose also that the incidence of the disease is 1%. If a person tests positive for the disease, what can you say about their chance of having the disease?
A. It is about 50% B. It is quite low C. It is very high D. It is 95%
Mathematics
Simplify the expression.5-2
A. 25
B. -25
C. 
D. 
Mathematics
Simplify the expression.(-5)0
A. Exponent: -5, base: 0 B. Exponent: 0, base: 0 C. Exponent: 1, base: -5 D. Exponent: 0, base: -5
Mathematics
Use the coordinates of the indicated points to find the slope of the line.
A. 
B. 0
C. -3
D. undefined
Mathematics