Solve.A train must cover a distance of 1472 miles. The velocity, in miles per hour, of the train is 
where t is the time, in hours, to complete the trip. If the train completes the trip in 16 hours, what is its velocity?
A. 92 miles per hour
B. 87 miles per hour
C. 23,552 miles per hour
D. 0.01 miles per hour
Answer: A
Mathematics
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Answer the question.Does
f(x) = f(-1)? 
A. No B. Yes
Mathematics
Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.Passing through (8, 13) and (4, 8)
A. y = 
x - 3
B. y = - 
x - 3
C. y = - 
x + 3
D. y = 
x + 3
Mathematics
Classify the angle as acute, obtuse, straight, or right.
A. Right B. Acute C. Obtuse D. Straight
Mathematics
Solve the quadratic equation by the method of your choice.
+ x + 
= 0
A. {7 + 
}
B. {-7 - 
, -7 + 
}
C. {-14 + 
}
D. {7 - 
, 7 + 
}
Mathematics