Solve the problem.Liz ran 32 mi, 11 mi, and 20 mi during three weeks. How many miles must she run the fourth week to give her an average of 20 miles per week?
A. 20.8 mi
B. 17 mi
C. 21 mi
D. 20 mi
Answer: B
Mathematics
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A. True B. False
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ln 
A. 
+ 2 v
B. 2 ln v - 
C. 
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D. 2 v - u
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f(x) = (x - 3)2
A. 
B. 
C. 
D. 
E. 
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