Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 600 people were afflicted with the disease in 2000, estimate the number of new cases in 2005. (Round to the nearest whole number.)
A. 19 new cases in 2005
B. 9 new cases in 2005
C. 75 new cases in 2005
D. 38 new cases in 2005
Answer: A
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Determine whether the study involves selection bias, participation bias, both selection bias and participation bias, or neither."38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college.
A. Selection bias B. No bias C. Participation bias and selection bias D. Participation bias
Evaluate the function as indicated.Find g(b) when g(x) = -5x - 11.
A. -5b - 11 B. b - 11 C. -5b + 11 D. -5b
Find the value of the unknown variable.Find h if A = 
(b + B)h, A = 44 cm2, b = 12 cm, and B = 10 cm.
A. 33 cm B. 11 cm C. 120 cm D. 4 cm
Find the degree of the polynomial function.7x4 - 3x3 - 4x - 2y5 + 5
A. 4 B. 5 C. 7 D. 13