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Answer:
Square root of 16 is rational beacuse Square root of 16=4 Whlie the others are Irational.
Step-by-step explanation:
This can be solved using a system of equations.

Subtract y from both sides.

Substitute:

Subtract 80 from both sides:

Divide both sides by 5:

Substitute.
Answer:
Reason 2
Step-by-step explanation:
The reason should be transitive property( if a=b and b=c then a=c) not reflective property.
Answer:
0.8= 2.1448=2.1379
Step-by-step explanation: