Find the radius or diameter as requested.Find the radius.
A. 0.65 ft
B. 4.082 ft
C. 1.3 ft
D. 5.31 ft
Answer: C
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Use this graph to answer the question.Big "D" Sales for 2009 and 2010 
MonthWhat were the total sales for 2009?
A. $48,000 B. $50,000 C. $764,000 D. $582,000
Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = -x2 + 9x - 20
A. x-intercepts (4, 0) and (5, 0) B. x-intercepts (4, 0) and (-5, 0) C. x-intercepts (-4, 0) and (-5, 0) D. No x-intercepts
Solve the problem. Round to the nearest tenth when necessary.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 7 m
A. 29.8 m B. 5.5 m C. 119 m D. 10.9 m
Simplify. Do not use negative exponents in your answer.(x8y-7z-2)(x-2y-4z6)
A. 
B. 
C. x6y11z4
D. 