If you are comparing the triangles the answer is D
Answer:

Step-by-step explanation:
Given




Required
The rate of change (b)
The above graph is represented as:

For:
;
We have:





For
,
We have:



Substitute 

Divide by 2


<em>Hence, the rate of change is 2.50</em>
N= x+15 where n = nina, x = the amount hiked together and the 15 is how much she already walked.
MOE = +\- 1.27
Confidence Interval is 53.73 to 56.27
9 servings, 5×3=15 but for each 5 equals 3 so,3 +3+3 =9 because 5 is a serving