In the bar graphs below, a projection of population by age groups and gender for two different countries is given as a percent of the country's population at the time. Provide an appropriate response.Population Pyramids for Countries A and B: 2006 and 2050
What is the 2050 projection for the 0-4 age group for Country B?
A. About 5.7%
B. About 10.3%
C. About 16.8%
D. About 5.5%
Answer: B
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Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 185 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 932 km to 523 km. Assume that the x-axis is the minor axis of the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Match the equation with its graph.y = 4(x + 4) + 1
A. 
B. 
C. 
D. 
Provide an appropriate response.Identify the base and exponent in the expression y11.
A. Base: 11, exponent: 11y B. Base: y, exponent: 11 C. Base: 11, exponent: y D. Base: 11y, exponent: 11
Use a graphing utility to approximate the area A. If needed, round as indicated.
dx
A. 18 B. 9 C. 15.75 D. 27