Select all the triangle that have and area of 45 square units. A B C D E
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The total number of marbles is 
.
If we draw a red marble, the chance of that occurring is
.
Now the total number of marbles left is 7. If we then draw a green marble, the chance of that occurring is
.
So the chance of drawing a red, then green, marble is
.
If we draw a red marble, the chance of that occurring is
Now the total number of marbles left is 7. If we then draw a green marble, the chance of that occurring is
So the chance of drawing a red, then green, marble is