Answer:
18
Step-by-step explanation:
The first quartile of the data set is 28 because it is the median of the lower set.
Answer:
9m
Step-by-step explanation:
5 - 3 + 7 = 9
Answer:

Step-by-step explanation:
We want to rewrite

in the form

We expand to get:

Regroup similar terms:

Simplify:

This is now of the form

where a=23.75 and b=76.24