7.1A: 7.18 7.1 4. On Monday, a middle school
principal asked the first 100 students
who arrived at school if they walked
to school. The table below shows the
results of the principal's survey.
Do You Walk to School?
Answer
Frequency
82
Yes
No
18
Based on the results shown in the
table above, how many of the school's
850 students should the principal
expect to walk to school?

for finding the midpoint of any given 2 pair of points simply add the respective x coordinates with other x coordinate and the y coordinate with other y coordinate and divide them by 2

in your question it will be :

(3+1)/2 for the x coordinate of mid point i.e 2

[8+(-4)]/2 for the y coordinate of midpoint i.e 2

so coordinates of mid point of points (3,8) and (1,-4) will be (2,2)

step-by-step explanation:

what are the

there is no answer sorry!

step-by-step explanation: