For 
, find all values of x and y such that 
and 
simultaneously.
?
?
A. 
?
B.
?
C.
?
D.
?
E.
?
Answer: A
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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 90% 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 is the chance that they have the disease? Find the exact percentage.
A. 8.8% B. 13.4% C. 95% D. 10%
Find gross earnings. Overtime is one-and-a-half times the normal per piece rate.Units, reg: 422Produced, O.T.: 70Rejected units: 5Rate per unit: $0.94Chargeback per unit: $0.49
A. $492.93 B. $490.68 C. $495.38 D. $460.03
Solve the equation.
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Change the common fraction to a decimal.
A. 0.34 B. 1.74 C. 0.54 D. 0.24 E. 4