Solve the problem.The function Y(x) = 51.38 ln 
can be used to estimate the number of years Y(x) after 1980 required for a certain country's population to reach x million people. In what year will the country's population reach 13 million?
A. About 2025
B. About 2045
C. About 2035
D. About 2040
Answer: C
Mathematics
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Find the sum of the series.
A. 
B. - 
C. - 
D. 
Mathematics
Clear fractions then solve by substitution.
x + 
y = -5 x - y = 2
A. {(-5, -5)} B. {(4, -5)} C. ? D. {(-4, -6)}
Mathematics
Simplify 
if 
.
What will be an ideal response?
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.csc 73°
A. 0.91 B. 1.05 C. -1.62 D. -1.48
Mathematics