Use photo math , it helps lol
m - 9 = 42
42 is our final answer so that should be by itself.
If something is being decreased by 9, that means that we are taking away 9 from something so it should be m - 9.
Out of 12 rolls the tail appeared 8 times
So this experimental probability =8/12 = 2/3 (answer c)
They are: translation, dilation.