Solve the problem.A pie-shaped (triangular) lake-front lot has a perimeter of 1500 feet. One side is 200 feet longer than the shortest side, while the third side is 400 feet longer than the shortest side. Find the lengths of all three sides.
A. 100 feet, 200 feet, 300 feet
B. 400 feet, 400 feet, 400 feet
C. 400 feet, 600 feet, 800 feet
D. 300 feet, 500 feet, 700 feet
Answer: D
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Determine the possible number of positive real zeros and negative real zeros of the polynomial function using Descartes' rule of signs.f(x) = 7x3 - 6x2 + x + 3.5
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A. x = 
B. x = - 
C. x = 
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