Russell's Scribe Post

                                            6 a + b)
6c) It is not reasonable to have points between the ones on my graph because you can't have half a dog, a quarter of a dog, etc. The dogs are whole.

12 a ) (0, 0) b) - 1 c) - 3

15b)The next most logical value to use for mass of purchase is 400, because it goes up by 100 everytime, and you already know the pattern.