Data regarding fuel efficiency of an airliner were collected. The graph shows the correlation between the distance traveled (in thousands of miles) and the altitude (in thousands of feet):

Estimate the average rate of change from x = 15 to x = 19.

A. -3.25
B. 4
C. -4
D. -0.31

Option A. -3.25

Step-by-step explanation:

we know that

To find the average rate of change, we divide the change in the output value by the change in the input value

so

the average rate of change is equal to

In this problem we have

Substitute

A. −3.25

Step-by-step explanation:

I just took the quiz lol

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

answer: 40392

step-by-step explanation:

10098 x 4 = 40392