Graph the system of inequalities.y ? 4x - 7y ? -4x + 9x ? 3
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.An express train travels 341 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. 33 mph B. 43 mph C. 63 mph D. 53 mph
Solve.On an architect's blueprint, 1 inch corresponds to 8 feet. If an exterior wall is 
long, find how long the blueprint measurement should be. Write answer as a mixed number if necessary.
A. 37
inches
B. 1
inches
C. 7 inches
D. 28 inches
Provide an appropriate response.Multiply two fractions by 
the numerators and 
the denominators.
A. multiplying; canceling B. adding; multiplying C. multiplying; multiplying D. multiplying; adding
Evaluate the function at the indicated value.f(x) = 
;
f(3)
A. 
B. 
C. 1
D. 