Solve.A train traveled m mi at a speed of s mph. A bus following the same route traveled 7 mph slower. How much longer did the bus take than the train to make this trip? Write the answer as a single rational expression.
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: C
Mathematics
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Determine whether the given function satisfies Laplace's equation.f(x, y) = 
A. Yes B. No
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Solve the proportion.
= 
A. 9 B. 1 C. 2 D. 4
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Find one solution graphically and then find the remaining solutions using synthetic division.x3 - 4x2 - 36x + 144 = 0
A. -6, 4, 6 B. 36, 4, 144 C. 4 D. -4, 4, 6
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Graph and write interval notation for the compound inequality.-4 < x < 0
A. [-4, 0]
B. (-4, 0)
C. (-4, 0]
D. [-4, 0)
Mathematics