Answer:
c and d are the correct answers
Answer:
the average height is between 65 and 72 inches
Step-by-step explanation:
Answer:
0+(-2)+9=7
Step-by-step explanation:
You start at 0 then go down by 2 or minus by , Then add by 9 then you end up at 7.
The maximum and minimum percent of students who write their notes with a pencil are 22% and 25%, respectively
<h3>Survey</h3>
The survey results given as:
--- the proportion of students reported that they wrote their notes with a pencil

<h3>Range</h3>
The range is then calculated as:

<h3>Minimum</h3>
So, we have:

This gives


<h3>Maximum</h3>
Also, we have:

This gives


Hence, the maximum and minimum percent of students who write their notes with a pencil are 22% and 25%, respectively
Read more about range at:
brainly.com/question/17025675
Answer:
10
Step-by-step explanation:
2x=20
x=20/2
x=10