Solve.A man has $9.00 and wants to buy pretzels and soda from a vender. The pretzels cost $0.75 per bag and the soda cost $1.00 per cup. These data are summarized by the linear inequality 0.75x + 1.00y ? 9.00. Graph an inequality that describes when the cost of x bags of pretzels and y cups of soda does not exceed the amount of money the man has to spend.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Find the center of mass of a thin infinite region in the first quadrant bounded by the coordinate axes and the curve 
if 
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A. 
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B. 
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C. 
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D. 
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A formula used by meteorologists to calculate the wind chill temperature (the temperature that you feel in still air that is the same as the actual temperature when the presence of wind is taken into consideration) is
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where t is the actual air temperature in °F and S is the wind speed in mph.
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What is the wind chill temperature when the actual air temperature is 40 °F and the wind speed is 15 mph (T?1)? Please round the answer to the nearest °F
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If the temperature is 40 °F, by how much approximately will the wind chill temperature change if the wind speed increases from 15 mph to 16 mph (T?2)? Please round the answer to the nearest tenth.
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A. 
B. ?
C. ?
D. ?
Graph the line containing the point P and having slope m.P = (-5, -10); m = 1 
A. 
B. 
C. 
D. 
Determine whether S defines a function.S = {(-5, -2), (-2, 3), (4, -6), (7, -8)}
A. No B. Yes