Write a valid conclusion based on the statements.Smiling people are happy. Alert people are not happy. Careful drivers are alert. Careless drivers have accidents.
A. Careful drivers are happy.
B. People who smile are alert.
C. Careful drivers have accidents.
D. People who smile have accidents.
Answer: D
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Convert the improper fraction to a mixed number.
A. 
B. 2
C. 1
D. 2
Find the required value by setting up the general equation and then evaluating.Find y for x = 3 and z = 4 if y varies directly as x and inversely as z, and y = 72 when x = 6 and 
A. 90
B. 120
C. 
D. 
Solve the problem.The function A described by A(s) = s2 
gives the area of an equilateral triangle with side s. Find the area when a side measures 14 cm. Express your answer in radical form.
A. 7
cm2
B. 49
cm2
C. 3.5
cm2
D. 147 cm2
Find the specified domain.For f(x) = x2 - 49 and g(x) = 2x + 3, what is the domain of (f ? g)?
A. [7, ?) B. (-7, 7) C. [0, ?) D. (-?, ?)