Answer:
the simplest form of the given expression is 
Step-by-step explanation:
Given;

The above expression can be simplified as follows;

Therefore, the simplest form of the given expression is 
The mean, or average, of the data set is 3 defective toys per sample group. Therefore set 0.3 and 0.5 are the most accurate representations.
Option C) 0.3
Answer:
640
Step-by-step explanation:
*circles the 20%*
Reason: 0.02 is equivalent to 2%
This sounds a lot like an obtuse triangle. I hope this helps! :)