Answer:
3
Step-by-step explanation:
(x+z)
-----------
3
x=6 and z =3
Substitute these numbers in for the variables
(6+3)
-----------
3
9
------
3
3
Answer:

Step-by-step explanation:

Answer:
A not rational number is called a irrational number btw. Anyway Some examples are √2 and pi.
The estimation of products are usefull so with you real answer, you can check back and fourth if you answer is reasonable