Answer:
10
Step-by-step explanation:
you do 90 divided by 20 and get 4.5 so you take away 40 and leftover with 10
Answer:a).it is an experiment
b).it is randomized.
c).The response variables are the various age groups;5--6,7--8,9--10
d)
Step-by-step explanation:
Answer:
<h2>15</h2>
Step-by-step explanation:
The formula of a distance between two points:

We have the points (2, 0) and (11, 12).
Substitute:
