Use a proportion to solve the problem.On a map of the Thunderbird Country Club golf course, 1.5 inches represent 60 yards. How long is the 8th hole if the map shows 4.5 inches?
A. 180 yards
B. 20.0 yards
C. 270 yards
D. 405 yards
Answer: A
Mathematics
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Solve the given differential equation.y"' - 48y' - 128y = 0
A. y = C1e8x + (C2 + C3x)e-4x B. y = C1e-4x + (C2 cos 8x + C3 sin 8x) C. y = C1e8x + C2e-8x + C3e-4x D. y = C1e-4x + (C2 + C3x)e8x
Mathematics
Solve the problem.Without graphing, determine the amplitude and period of the function 
A. Amplitude = 10
Period = ?
B. Amplitude = 10
Period = 
C. Amplitude = 5
Period = 
D. Amplitude = 5
Period = 
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Graph the solution set of the system of inequalities.?x? ? 5y ? 3y ? x2 - 3
A. 
B. 
C. 
D. 
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Graph the function.f(x) = 3e- x
A. 
B. 
C. 
D. 
Mathematics