Answer:
a
Step-by-step explanation:
square formula for area is 
Answer:

Step-by-step explanation:
Given

Required
Evaluate 
We have:

Apply law of logarithm

Express 9 as 3^2

Evaluate the exponents

.
So:


Substitute 


Answer:
Rational.
Step-by-step explanation:
1.666... can be expressed as
.
Hence it is rational.
Answer:
(-3,1) dhdjdjdjdjejdhdjehehdhdjddjdjddh
(-3,1)