Solve the problem.A loaded moving truck is traveling 30 mph faster than a freight train. In the time it takes the train to travel 105 miles, the truck travels 195 miles. Find the speed of the truck.
A. 30 mph
B. 130 mph
C. 13 mph
D. 65 mph
Answer: D
Mathematics
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A. 3(1i + 2j + 2k)
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C. 3
D. 3
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A. 35.6 mi B. 45.6 mi C. 158.42 mi D. 17.8 mi
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Graph the function.f(x) = - 4x
A. 
B. 
C. 
D. 
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Solve the system of equations (only real solutions) by the elimination method. Check your solutions.
A. {(2, 0), (-3, 9)} B. {(-2, 0), (-3, 9)} C. {(2, 0), (3, 45)} D. {(1, 9), (-6, 72)}
Mathematics