Two similar triangles are given. Find the proportionality constant k such that the length of each side of the larger triangle is k times the length of the sides of the smaller triangle. Then find the length of the missing sides of each triangle.
A. QS = 5, UV = 
, TV = 
B. QS = 5, UV = 
, TV = 
C. QS = 4, UV = 
, TV = 
D. QS = 4, UV = 
, TV = 
Answer: C
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Simplify the fraction to lowest terms.
A. 
B. 
C. 
D. 
Solve the problem.What is the probability that the arrow will land on 5 or 4? 
A. 
B. 
C. 5
D. 
Write the expression as one term. Evaluate if possible.log 20x2 - log 2x2
A. log 10 B. 1 C. log 1 D. log 18
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