25 points
a)y = 4x + 2
b) y - 3x + 2
c) y = x + 2
d) y = 5x + 2

Step-by-step explanation:

a. the residual plot for model 1 has a random pattern and is a good fit for the data.

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.