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 gravel road is 0.27 and a car skidded 340 feet, find the speed of the car, to the nearest mile per hour.
A. 287 mph
B. 52 mph
C. 2754 mph
D. 101 mph
Answer: B
Mathematics
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = x
i + y
j + z
k ; D: the thick cylinder 1 ? x2 + y2 ? 3 , 
A. 
?
B. 
?
C. 
?
D. 208?
Mathematics
Find the GCF for the group of integers.40 and 30
A. 1 B. 5 C. 10 D. 2
Mathematics
Solve the problem.In four rounds of a card game, you get scores of -3, -2, -9, and 7. What is your final score?
A. 7 B. 15 C. -7 D. -15
Mathematics
Perform the indicated operations.86.44 + 26.54
A. 2294.1176 B. 112.98 C. 121.79 D. 104.17
Mathematics