Correct answer is B... You can plug in values for n. Plug in 1 for n and the out put is 12. Plug in 2 for n and the output is 13.5
(X)=2X-ALL real numbers except x=0x<_0
Initially there were 6 tiles with pictures of plants and 3 tiles with pictures of animals.
She removes one tile with the picture of a plant, so now there are 5 tiles with pictures of plants and 3 tiles with pictures of animals. There are 5+3=8 tiles in total.
The probability that the second tile has a plant on it is the number of tiles with pictures of plants (5) divided by the total number of tiles (8).
The probability is

.
It would be 56 mph. you need to divide 224 from 4 to get the unit rate