You need to figure out what m is so first subtract 12 from then sybtract 9 from 9 then you havem by itself. now subtract 4 from 4 then add 4m to 4m and the add 15 to 9 and you should get your answer
Vertical reflection over the x-axis, shrink of 1/3, right 3, up 2
V=number of videos, x=total amount
10v*3=x
Since each video is $10, you would have to multiply that by the number of videos. Once you find that you would multiply that number by three, since you will be keeping the videos for 3 days. With that you will find, x, the total amount.
That is Identity Property of Addition.
Identity Property is a property that states that the sum of any number and zero is always the number you added to zero. This is also the case for multiplication by instead of adding zero, you are multiplying by one.
Hope this helps!
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