Solve the problem.A survey of senior citizens at a doctor's office shows that 45% of the seniors take blood pressure lowering medication and 49% take cholesterol lowering medication. 14% take both medications. What is the probability that a senior citizen takes only one of these medications given that he or she takes at least one of the medications?
A. 0.49
B. -0.060
C. 0.45
D. 0.830
Answer: D
Mathematics
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Find all solutions of the equation in the interval [0°, 360°).2 sin2 ? - 3 sin ? - 2 = 0
A. {90°, 150°, 210°} B. {210°, 330°} C. {240°, 300°} D. {90°, 210°, 330°}
Mathematics
Find an equation of the line satisfying the conditions. Write the equation in slope-intercept form.Through (-6, 7); parallel to 3x + 7y = 3
A. y = - 
x + 
B. y = - 
x + 
C. y = 
x + 
D. y = 
x - 
Mathematics
Subtract.- 
A. 15.65 B. 15.75 C. 14.65 D. 14.45
Mathematics
Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.g[f(k)]
A. 392k2 + 973k + 603 B. 392k2 - 973k + 603 C. 56k2 + 35k + 9 D. 56k2 - 35k + 9
Mathematics