Use the substitution method to solve the system.-5x - 6y = 523x - 3y = 15
A. (-2, -6)
B. (-2, -7)
C. (-3, -6)
D. No solution
Answer: B
Mathematics
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Find the indicated fractional part.
of 
A. 
B. 
C. 
D. 
Mathematics
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Mathematics
Write the following as a rate in lowest terms.8 tests for 56 students
A. 
B. 
C. 
D. 
Mathematics
Write the number without exponents.2.5184 × 106
A. 25,184,000 B. 151.104 C. 251,840 D. 2,518,400
Mathematics