Solve the problem.A rectangular enclosure must have an area of at least 2400 yd2. If 
of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 30 yd ? width ? 80 yd
B. 55 yd ? width ? 80 yd
C. 30 yd ? width ? 55 yd
D. 0 yd ? width ? 30 yd
Answer: C
Mathematics
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A. 2x4 + 10x3 + 18x2 + 16x + 8 B. 2x4 + 8x3 + 18x2 + 16x + 8 C. 2x4 + 8x3 + 16x2 + 16x + 8 D. 2x4 + 10x3 + 16x2 + 16x + 8
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Use the product rule to simplify the expression. Write the result using exponents.x7 ? x8
A. x16 B. x7 C. x8 D. x15
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Convert the equation to the standard form for a hyperbola by completing the square.x2 - y2 - 2x + 4y - 4 = 0
A. (x - 1) 2 + (y - 2) 2 = 1
B. (x - 1) 2 - (y - 2) 2 = 1
C. (y - 1) 2 - (x - 2) 2 = 1
D. 
- 
= 1
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Find the slope of the line containing the given points.f(-5.7) = 5.9 and f(-12.6) = -17.2
A. 
B. - 
C. - 
D. 
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