Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular nonagons. Find the measure of the dihedral angle between adjacent lateral faces.
A. 40°
B. 144°
C. 140°
D. 90°
Answer: C
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Solve the problem.Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4.
A. (x + 3)2 + (y - 2)2 = 4 B. (x - 3)2 + (y + 2)2 = 16 C. (x + 3)2 + (y - 2)2 = 16 D. (x - 3)2 + (y + 2)2 = 4
Find the slope-intercept form of the line satisfying the given conditions.Slope 
; y-intercept -6
A. y = - 
x - 6
B. y = 
x + 6
C. y = 
x - 6
D. y = - 
x + 6
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
Graph the equation by plotting points.y = 
x - 4
A. 
B. 
C. 
D. 