Solve the problem.Joe has traveled 
of his total trip. If the trip is a total of 640 miles, how many miles has he gone?
A. 102
miles
B. 128 miles
C. 512 miles
D. 256 miles
Answer: C
Mathematics
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Use a number line to find the sum.-5 + 4
A. -1 B. 1 C. 0 D. -9
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Solve the problem. Give an exact answer and an approximation to the nearest tenth.A painter leans a ladder against one wall of a house. At what height does the ladder touch the wall?
A. 
ft ? 15.9 ft
B. 
ft ? 30.0 ft
C. 
ft ? 2.4 ft
D. 
ft = 126 ft
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Evaluate the expression.-11 - (-4)
A. 7 B. 15 C. -15 D. -7
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Solve the initial-value problem.
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