Answer:
If a bag contains 4 red marbles, 3 blue marbles, and 7 green marbles and a marble is randomly selected from the bag, what is the probability that it is blue? P=3/(3+4+7)=3/14 because each of 14 marbles is equally likely to be drawn.
Step-by-step explanation:
3/5+(-7/40)
=3/5-7/40
=24/40-7/40
=17/40
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1 unit to the right
The y-axis is the vertical line and the point (1,-3) is one unit to the right of the vertical line