Solve.How long will it take for the population of a certain country to double if its annual growth rate is 
? Round to the nearest year.
A. 7 yr
B. 47 yr
C. 1 yr
D. 16 yr
Answer: D
Mathematics
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Provide an appropriate response. Round your answer to the nearest hundredth if necessary.How many line segments will the Koch curve have in step 9?
A. 13 B. 36 C. 262,145 D. 262,144
Mathematics
Rewrite the expression as a single trigonometric function using a double-angle identity.cos24? - sin24?
A. 2 sin 4?
B. cos 8?
C. 
sin 16?
D. cos 4?
Mathematics
Use the principle of estimation to find an estimate for the calculation.33 + 75 + 78 + 32
A. 230 B. 240 C. 220 D. 210
Mathematics
What is the domain of f(x)? What is its range?f(x) = 
A. Domain: (-?, -9) ? (-9, ?); range: (0, ?) B. Domain: (-?, 0) ? (0, ?); range: (-?, 9) ? (9, ?) C. Domain: (-?, 0) ? (0, ?); range: (-?, -9) ? (-9, ?) D. Domain: (-?, -9) ? (-9, ?); range: (-?, 0) ? (0, ?)
Mathematics