Round the whole number to the given place.In 2005, the population of a certain city was 98,891,560. Round this number to the nearest million.
A. 98,900,000
B. 100,000,000
C. 98,000,000
D. 99,000,000
Answer: D
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Solve the problem. A reasonable quadratic model for the population of a certain city is found to be 
where B(t) is the population (in thousands) of the city in the year that is t years since 1990. A reasonable quadratic model for the number of residents of that city who were born outside the United States is 
where F(t) is the number (in thousands) of foreign-born residents of the city in the year that is t years since 1990. Let P(t) be percentage of residents of the city who were born outside the United States in the year that is t years since 1990. An
equation for P is P(t) = 
. Use P to predict when the city will have 13.4% foreign-born residents.
A. 2005
B. 2006
C. 2004
D. 2003
Solve the problem.The table below shows the weight for a calf raised by a local rancher. Use the information to determine the average rate of change in the calf's weight per day. Calf's Weight
A. 
lb per day
B. 5 lbs per day
C. 50 lbs per day
D. 500 lbs per day
Solve the system of equations by elimination.
A. x = 4, y = 0; (4, 0) B. x = 0, y = 4; (0, 4) C. x = -4, y = 0; (-4, 0) D. x = 0, y = -4; (0, -4)
Solve. Round all amounts to one decimal place.80% of what number is 95?
A. 11.9 B. 76 C. 118.8 D. 1188