Simplify the expression.14 + (-12) - 9 - (-11)
A. 4
B. 24
C. 0
D. -18
Answer: A
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. -1
D. 
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Solve the problem.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1500 L/hr. What is the flow in each pipe?
A. 750 L/hr hot; 500 L/hr cold B. 900 L/hr hot; 600 L/hr cold C. 500 L/hr hot; 750 L/hr cold D. 600 L/hr hot; 900 L/hr cold
Mathematics
Provide an appropriate response.It is not necessary to align the decimals when you add.
A. True B. False
Mathematics
Find the perimeter. Use 3.14 for ?.
A. 162.144 km B. 129.583 km C. 54.757 km D. 70.614 km
Mathematics