Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 27 feet from the center is to be 16 feet above ground?
A. 60.72 ft
B. 118.13 ft
C. 30.36 ft
D. 50.29 ft
Answer: A
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Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Carol and Lu Yi carry a total of 7.1 liters of water as they begin a day hike. How many gallons of water are they carrying, to the nearest tenth?
A. 1.8 gal B. 7.5 gal C. 26.8 gal D. 6.7 gal
Find the coordinates of the points shown on the graph.
A. E: (-4, 5), G: (-5, -4) B. E: (-4, 5), G: (-4, -5) C. E: (-4, -4), G: (5, -4) D. E: (5, 8), G: (-4, -5)
Solve the problem.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan. Round approximations to the nearest tenth. 
13 ft
A. 7.5 ft B. 6.6 ft C. 86.5 ft D. 13.2 ft
Find vectors b and c and matrix A so that the problem is set up as a canonical linear programming problem of the form: maximize cTx subject to Ax ? b and x ? 0. Do not find the solution.Minimize x1 - 2x2 + 3x3 subject to 4x1 - 6x3 ? 30 4x1 - x2 = 28and x1 ? 0, x2 ? 0, x3 ? 0
A. b = 
, c = 
, and A = 
B. b = 
, c = 
, and A = 
C. b = 
, c = 
, and A = 
D. b = 
, c = 
, and A = 