Solve the problem.Jill is 15 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 3 hours. How fast is Joe walking?
A. 3 km/hr
B. 2 km/hr
C. 5 km/hr
D. 4 km/hr
Answer: A
Mathematics
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Subtract.(5m2 + 2m + 2) - (-9m2 - 7)
A. 14m2 + 2m + 9 B. -4m2 + 2m - 5 C. 14m2 + 9m + 2 D. -4m2 + 9m + 2
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Solve and check your answer.x - 10 = 0
A. 11 B. 0 C. 9 D. 10
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Find the particular solution of the differential equation 
that satisfies the initial condition 
when 
/>, where 
is the general solution.
?
A. 
B. 
C. 
D. 
E. 
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Evaluate the expression.11 + x, if x = 3.7
A. 7.3
B. 
C. 14.7
D. 40.7
Mathematics