Solve the problem.In 1990, the population of a country was estimated at 4 million. For any subsequent year the population, P(t) (in millions), can be modeled by the equation 
where t is the number of years since 1990. Estimate the year when the population will be 21 million.
A. approximately the year 2088
B. approximately the year 2093
C. approximately the year 2016
D. approximately the year 2041
Answer: B
Mathematics
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Graph the equation by plotting points.y = 
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.(10, -6) and (10, 4)
A. x = 10 B. y = -6 C. y = 10 D. x = -6
Mathematics
Find the standard form of the equation of a circle that satisfies the given conditions.Center (22, 23); containing the origin
A. (x - 22)2 + (y - 23)2 = 1013 B. (x - 22)2 + (y - 23)2 = 32 C. (x - 23)2 + (y - 22)2 = 1013 D. (x - 23)2 + (y - 22)2 = 32
Mathematics
Find the sum.
A. 
B. 
C. 
D. 
Mathematics