Solve.A rectangle that is x feet wide is inscribed in a circle of radius 27 feet. Express the area of the rectangle as a function of x.
A. A(x) = x2
B. A(x) = x(2916 -x2)
C. A(x) = x
D. A(x) = x
Answer: C
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Solve the problem.A number cube labeled with numbers 1, 2, 3, 4, 5, and 6 is tossed. What are the odds in favor of the cube showing an odd number?
A. 1:1 B. 3:2 C. 1:2 D. 2:1
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Convert the polar equation to a rectangular equation.r = 
A. 9x2 + 8y2 + 6y - 9 = 0 B. 9x2 + 9y2 + 6x - 9 = 0 C. 8x2 + 9y2 + 6x - 9 = 0 D. 10x2 + 9y2 - 6x - 9 = 0
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 30, c = 50
A. b = 20 B. b = 40 C. b = 10 D. b = 80