Solve the problem.Police use the formula s = 
to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain dry road is 0.83 and a car was traveling on it at a rate of 
how far will the car skid? (Round to the nearest foot.)
A. 32 ft.
B. 398 ft.
C. 64 ft.
D. 53 ft.
Answer: C
Mathematics
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Multiply.
A. x2 - 
x - 
B. x2 + 
C. x2 + 
x - 
D. x2 - 
Mathematics
The number above the bar in a fraction is called the _____.
A. denominator B. reciprocal C. divisor D. integer E. numerator
Mathematics
Provide the requested information about the circular function.What is the domain of y = csc x?
A. x ? 
+ n?
B. x ? n?
C. (-?, ?)
D. [-1, 1]
Mathematics
Solve the system.5w - 3y + z = 16-w + 5x + y - 5z = 125w - x + + 3z = 17 x - 5y - z = -12
A. (5, 0, -3, 0) B. (1, -2, -7, -5) C. (6, -2, 3, -5) D. (-2, 6, 5, -6)
Mathematics