Answer:
Step-by-step explanation:

Comparing this to the form a+b√5, we see that ...
a = 3/2
b = -1/2
Answer:
Insert the numbers into the equation y=3x-5.
the rule states that in every equation the first number is x.so it will be -6=3(4)-5
-6=12-5
-6=7.
If u want, you can leave your answer like that