Solve the problem.In Little City Park there is a circular fountain. The park district has decided to plant a circular garden around the fountain. In order to purchase the appropriate number of plants, they must determine the area of the garden in square feet. Find the area rounded to two decimal places, if necessary. The formula for the area of a circle is 
Use 3.14 as an approximation for ?.
A. 1725.43 sq ft
B. 1099 sq ft
C. 2198 sq ft
D. 549.5 sq ft
Answer: D
Mathematics
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Find the mean of the random variable x associated with the probability density function over the indicated interval.
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A. ?
B. ?
C. ?
D. ?
E. 
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Divide and express the result in standard form.
A. 
- 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
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Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 - 10x
A. (25, -5); x = 25 B. (-25, 5); x = -25 C. (5, -25); x = 5 D. (-5, 25); x = -5
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Find all cube roots of the complex number. Leave answers in trigonometric form.-125
A. 5 cis 180°, 5 cis 0° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 5 cis 120°, 5 cis 180°, 5 cis 300° D. 5 cis 30°, 5 cis 150°, 5 cis 270°
Mathematics