Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the variation problem.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 
per hour?
A. 216 feet B. 264.3 feet C. 252 feet D. 252.34 feet
Mathematics
Show that the set has cardinality 
.
?
{- 1, - 2, - 3, ...}
What will be an ideal response?
Mathematics
Find different polar coordinates (r, ?) for the same point under the given conditions.
, r > 0 and 2? < ? < 4?
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given ordered pair is a solution of the system.(-1, 5)4x - y = 12x + 4y = 18
A. not a solution B. solution
Mathematics