When a line in a slope graph has no rise/run like this one, there is no slope.
The slope is "Undefined".
It can go into 136 4 times. Just do 136 divided by 34. It's even enough to go into it.
Number of muffins sold=9
and number of pizza pies sold=15
317 is the answer you are looking for.
2x = 8 ... therefore x = 4
4^2 = 16