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
In 2006, which country had the largest portion of its population in the 0-4 age group, and what was that percent?
A. Country B with about 16.7%
B. Country B with about 10.3%
C. Country B with about 8.5%
D. Country A with about 5%
Answer: A
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Compute the product.
A. 
B. 
C. 
D. not defined
Solve the problem.Halley's comet has an elliptical orbit with the sun at one focus. Its orbit shown below is given approximately by 
In the formula, r is measured in astronomical units. (One astronomical unit is the average distance from Earth to the sun, approximately 93 million miles.) 
Find the distance from Halley's comet to the sun at its greatest distance from the sun. Round to the nearest hundredth of an astronomical unit and the nearest million miles.
A. 1298.75 astronomical units; 120,784 million miles B. 10.47 astronomical units; 974 million miles C. 5.24 astronomical units; 487 million miles D. 5.22 astronomical units; 485 million miles
Find a formula for an ?for the arithmetic sequence. ? a1 = 104, d = -6 ?
A. an ?= -6n + 98 B. an ?= 6n + 110 C. an ?= 6n - 98 D. an ?= 6n - 110 E. an ?= -6n + 110
Simplify the expression. Remove all negative and zero exponents. Assume the expression is defined.
