Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions.5x - 25y = 20y = 
x - 
A. One
B. Infinitely many
C. No solutions
Answer: B
Mathematics
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Change the order of integration and evaluate the integral.
A. 
?2
B. 
?
C. 
?2
D. 
?
Mathematics
Solve.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the maximum safe speed for a curve in a road with a radius of curvature of 150 feet.
A. 12 mph B. 8 mph C. 19 mph D. 31 mph
Mathematics
Find the indefinite integral. Hint: Let 
.
?
What will be an ideal response?
Mathematics
Solve the inequality, then graph the solution.10n - 6 > 9n - 7
A. [-13, ?)
B. (-?, -1)
C. (-1, ?)
D. (-?, -13]
Mathematics