Solve the problem.The formula 
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 radius of curvature if the maximum safe velocity is 35 miles per hour.
A. 3063 ft
B. 490 ft
C. 1225 ft
D. 196 ft
Answer: B
Mathematics
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Divide numerator and denominator by the highest power of x in the denominator to find the limit.
A. 9 B. does not exist C. 81 D. 729
Mathematics
Evaluate the expression for x = -2, y = 3, and a = -4.(-5x - 3y)(-8a)
A. -32 B. 32 C. -288 D. 140
Mathematics
Simplify using the quotient rule. - 
A. - 
B. not a real number
C. - 
D. - 
Mathematics
Perform the division.
A. x2 + 1 B. x2 + 6x - 1 C. x2 D. x2 - 1
Mathematics