Answer:
42
Step-by-step explanation:
For this case, we have by definition, that an irrational number is a number that can not be expressed as a fraction
, where a and b are integers and b is nonzero.
Some examples are:

So, that the answer is 
Answer:
Option C
Answer:
-3
Step-by-step explanation:
Answer:
I think it's "C"
the triangles are nor similar because the variables x and y have different values.
P.S. hope it helped. If you have any questions, I'll be glad to answer them❤