Solve.A cyclist bikes at a constant speed for 20 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 25 miles. Find his speed.
A. 7 mph
B. 4 mph
C. 5 mph
D. 6 mph
Answer: C
Mathematics
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A. - 
B. 
C. - 
D. 
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Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 245
B. 
? 2.646
C. 
? 25.239
D. 
? 15.652
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Convert the units.10 m2 = 
mm2
A. 100,000 B. 100 C. 10,000,000 D. 10,000
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Multiply and simplify.
? 
A. 
B. 
C. - 
D. - 
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