Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: B
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Compute the expected age ? of a British nurse in 1851. Assume that the table below shows the age distribution of nurses in Great Britain in 1851. Round your answer to nearest hundredth. Age range (yr)20-29 30-39 40-49 50-59 60-69 70-79 80+ Midpoint (x)24.5 34.5 44.5 54.5 64.5 75.5 84.5 Percent of nurses5.8% 9.8% 19.4% 29.1% 25.1% 9.1% 1.7%
A. 54.50 B. 59.50 C. 53.76 D. 53.79 E. 43.79
Use implicit differentiation to find dy/dx and d2y/dx2.y2 - x2 = 9
A. 
= - 
; 
= 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
; 
= 
Provide an appropriate response.A bedroom is 4 feet longer than wide. The area of the bedroom is 192 ft2. What is the length and width of the bedroom?
A. The length is 7 feet and the width is 28 feet. B. The length is 4 feet and the width is 48 feet. C. The length is 16 feet and the width is 12 feet. D. The length is 8 feet and the width is 24 feet.
The graph of a linear function f is shown. Identify the slope, y-intercept, and x-intercept.
A. 
; (0, -8), (4, 0)
B. 2; (0, -8), (4, 0)
C. 
; (0, 4), (-8, 0)
D. 2; (0, 4), (-8, 0)