Answer:
$84
Step-by-step explanation:
Do 3/5*140 which will give you 84 dollars
It can be the line of best fit because it shows a negative linear association .
line B
A negative nonlinear association
last pg d
Answer:
The rate of change is 1
Step-by-step explanation:
In order to calculate the rate of change, take two points (in this example I'll use points (8, 2) and (10, 4)) and input them into this expression used to calculate rate of change: 

Solve:
4 - 2 = 2
10 - 8 = 2
2/2 = 1
The rate of change is 1.
Hope this helps :)