Solve the problem. Round your answer to three decimals.What annual rate of interest is required to triple an investment in 7 years?
A. 15.694%
B. 10.409%
C. 8.497%
D. 16.993%
Answer: A
Mathematics
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
A forest observation tower is 73 ft tall. From its top, a ranger spots a campfire below at an angle of depression of 29.1°. How far is the fire from the foot of the observation tower? Round your answer to the nearest foot.
a. 41 ft b. 84 ft c. 150 ft d. 131 ft e. 67 ft
Mathematics
Solve the problem.Elissa wants to set up a rectangular dog run in her backyard. She has 50 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A(x) = 26x - x2 B. A(x) = 25x - x2 C. A(x) = 27x2 - x D. A(x) = 24x - x2
Mathematics
Multiply.-12 ? (-12)
A. -156 B. -144 C. 156 D. 144
Mathematics