Solve.How long will it take for the population of a certain country to triple if its annual growth rate is 6.6%? Round to the nearest year.
A. 2 yr
B. 17 yr
C. 8 yr
D. 46 yr
Answer: B
Mathematics
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Solve the problem.A satellite dish has a parabolic cross section and is 10 feet deep. The focus is 9 feet from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 46 ft B. 42 ft C. 40 ft D. 38 ft
Mathematics
Find the center of the ellipse.
+ 
= 1
A. (25, 4) B. (4, 0) C. (0, -4) D. (-4, 0)
Mathematics
Write the complex number in trigonometric form. Begin by sketching the graph to help find the argument ?.
?
What will be an ideal response?
Mathematics
Perform the indicated operation or operations, if possible.
- 
A. 
B. 
C. 
D. 
Mathematics