Use the figure below to answer the following question(s).
The cheapest-link tour starting with vertex A is A, B, C, D, A

A. if 2 < x < 5.
B. if 1 ? x ? 8.
C. if 0 < x < 2.
D. if 5 < x < 8.
E. regardless of the value of x.

Answer: C

Mathematics

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Find all real solutions to the system of equations using the addition method.2x2 + y2 = 66  x2 + y2 = 41

A. (5, 4), (5, -4), (-5, 4), (-5, -4) B. (4, 5), (-4, 5), (4, -5), (-4, -5) C. (4, 5), (-4, -5) D. (5, 4), (-5, -4)

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Find an angle ? between 0° and 90° having the specified function value. Round your answer to the nearest hundredth of a degree.sin ? ? 0.2119

A. 11.96° B. -12.23° C. 102.23° D. 12.23°

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Find the area of the geometric figure.

A. 30 sq m B. 39 sq m C. 18 sq m D. 42 sq m

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Solve the problem.If an object is thrown upward with an initial velocity of 128 ft/sec, its height after t sec is given by  Find the number of seconds before the object hits the ground.

A. 4 sec B. 112 sec C. 64 sec D. 8 sec

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Mathematics