7. A bag contains colored tiles. og tiles are red
• 6 tiles are green
• 3 tiles are blue
A tile will be randomly selected from
the bag. What is the probability in
decimal form that the tile selected
will be green?​

Answer is in the photo. I can only upload it to a file hosting service. link below!

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for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c