Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 43 ft wide and the canal is 
deep at the center, how deep is it 18 ft from the edge?
A. 2 ft
B. 5.8 ft
C. 4 ft
D. 0.2 ft
Answer: B
Mathematics
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Divide and then interpret the remainder.If each hotel room can hold 4 people, how many rooms are needed for 89 people?
A. 21 rooms with space left for 1 person B. 21 rooms with space left for 3 people C. 22 rooms with space left for 1 person D. 23 rooms with space left for 3 people
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Graph the inequality.(x + 1)2 + (y - 5)2 ? 9
A. 
B. 
C. 
D. 
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Identify the given function as a linear function, a quadratic function, or a rational function.f(x) = x2 + 2x - 8
A. Rational B. Linear C. Quadratic
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Multiply vertically.(3x2 - 3x - 4)(x2 - 2x - 5)
A. 3x4 - 9x3 - 13x2 + 23x + 20 B. 3x4 - 6x3 - 9x2 + 23x + 20 C. 3x4 - 6x3 - 13x2 + 23x + 20 D. 3x4 - 9x3 - 9x2 + 23x + 20
Mathematics