Solve the problem.In a survey of 43 hospital patients, 20 said they were satisfied with the nursing care, 15 said they were satisfied with the medical treatment, and 5 said they were satisfied with both. How many patients were satisfied with neither? How many were satisfied with only the medical treatment?
A. 18; 15
B. 15; 10
C. 13; 15
D. 13; 10
Answer: D
Mathematics
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Write a slope-intercept equation for a line with the given characteristics.m = 6, passes through (4, -5)
A. y = 6x - 29 B. y = 6x + 28 C. y = 6x - 27 D. y = 7x + 30
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Use a calculator to find an approximate solution to the equation.8ln (x + 2.8) = 12.8
A. 2.153 B. -2.598 C. 1.221 D. No solution
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Use an analytic method to solve the equation.
= 2x - 3
A. {1, 3} B. {3} C. {-3} D. ?
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Perform the operation indicated. Simplify.
- 
A. - 
B. 
C. - 
D. 
Mathematics