Solve the problem.Jill is 13.5 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 km/h. They meet in 3 hours. How fast is Joe walking?
A. 2.5 km/h
B. 3.5 km/h
C. 2 km/h
D. 4.5 km/h
Answer: A
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 45
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Find the equation of the line passing through the two points.(6, 0) and (-2, -7)
A. y = - 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = 
x - 
Mathematics
Calculate.
A. 139 B. 117 C. 88 D. 124
Mathematics
Solve the problem.The population of the country where Ken lives is 1
times the population of the country where he was born. The population of the country where he lives is approximately 48.0 million. What is the approximate population of the country where he was born?
A. 31.0 million B. 33.5 million C. 30.5 million D. 32.0 million
Mathematics