Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 12 mi, the distance between the cars was 4 mi more than the distance traveled by the car heading east. How far had the east bound car traveled?
A. 20 mi
B. 24 mi
C. 16 mi
D. 12 mi
Answer: C
Mathematics
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A ball is tossed upward and then falls to the ground. Its height after t seconds is given by the function 
. During the period the rock is rising, what can be said about 
?
?
A. is positive.
B. is negative.
C. is zero.
D. None of the above
Mathematics
Perform the indicated operation. Simplify, if possible.
+ 
- 
A. 
B. 
C. 
D. 
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Factor.3x2 - 3x - 18
A. 3x2 - 3x - 18 B. 3(x + 2)(x - 3) C. (3x + 6)(x - 3) D. 3(x - 2)(x + 3)
Mathematics