Answer:

Step-by-step explanation:

3pi is irrational because it cannot be expressed as a fraction or decimal. The digits after the decimal point in pi continue on forever without a pattern.
Answer:
Cannot give an answer. She worked 68 hours though.
Step-by-step explanation:
you did not show the graphs
Answer:
The number of possible ways can the chairs be lined up is 2 rows of 41.
Given that,
There are 82 chairs at a birthday party.
The chairs need to be lined up in equal-sized rows.
Based on the above information, the calculation is as follows:
= 2 \times 41=2×41
= 82 chairs
Here 2 denotes the rows.
Therefore we can conclude that the number of possible ways can the chairs be lined up is 2 rows of 41.