Answer:
a) x = -1 and y = -10
Step-by-step explanation:
The first part says find the value of y when the value of x is -3. Then the second part of the question is to find the value of x when the value of y is 2.
so lets solve part a)

So answer to part a is x = -1 and y = -10
similarly try the other parts.
Answer:
0.555555555555555 is a rational number
0.4564556455564555 is an irrational number