Answer:
140 mile
Step-by-step explanation:

While x is the speed of the second train.
So the coordinates of the center of the circle will be (-5,-7)
hope you know formula for equation of a circle
Answer:
X = -10/6
X = -1,666666666666667
Step-by-step explanation:
First at all you join the X's
18x-12x = 14-24
Then you simplified:
6x = -10
X = -10/6
X = -1,666666666666667
Answer:
42 1/2>42.500
Step-by-step explanation: