In step 3, he substituted the wrong values for m and b. is the answer.
Since they are different people with different thoughts and knowledge giving them to choose different numbers all though two of them might choose the same number
Answer:
3/2 or 1.5
Step-by-step explanation:
1950 2,771,305
1960 4,951,560
1970 6,789,443
1980 9,746,324
1990 12,937,926
2000 15,982,378
2010 18,801,310
Sorry I couldn't find models.
It is horizontal I believe because if you were to flip it horizontally then it would be symmetrical