Solve the problem.An express train travels 288 miles between two cities. During the first 
of a trip, the train traveled through mountainous terrain. The train traveled 
per hour slower through mountainous terrain than through level terrain. If the total time to travel between the cities was 7 hours, find the speed of the train on level terrain.
A. 54 mph
B. 34 mph
C. 44 mph
D. 24 mph
Answer: C
Mathematics
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A. (z + 2)(z - 2) B. (z + 4)(z - 4) C. (z + 2)2 D. (z - 2)2
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A. 50.24 m B. 25.12 m C. 48.24 m D. 64 m
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Answer the question.If the graphs of a system of two equations are both circles, what are the possible numbers of solutions (with real coordinates) of this system?
What will be an ideal response?
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