Simplify.-0.8 - (-11.0) - (-13.0)
A. -24.8
B. 1.2
C. 23.2
D. -23.2
Answer: C
Mathematics
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A. 4m8z6 B. 4mz8 C. 4m8z D. 4mz6
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Eliminate the parameter t in the following:
?
What will be an ideal response?
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Solve the problem.The radiator of a certain car requires a 40% antifreeze solution. The radiator now has 30 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
A. 7.5 L B. 15 L C. 10.0 L D. 12 L
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Solve the problem.Solve S = ?rh + ?r2 for r.
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics