We will need an image but i am happy to change my answer with the correct answer as soon as we have what we need
Answer:
1. Prime numbers are easier to count. (Not a statement)
2.Irrational numbers can be written as fractions. (Statement)
3. Natural numbers can be negative. (Statement)
4. Addition is the simplest mathematical operation. (Not a Statement)
5. Equilateral triangles are quicker to construct than scalene triangles. (Not a statement)
6. The set of real numbers is infinite. (Statement)
i hope it will help you!
Add up the 84 and 42 to get 126, then divide by 6 to get the number of tables which is 21. And the number of seats is 126 because you would need a seat for every person. Hope this helps.