Answer:
yoi look for what you add to the equation to make it a perfect square by dividing 6 by 2 then add 2^2 to both sides.

so.... since the number after .81 is 1, it doesn't really round up to .82, so is just that, 15.81.
.04 Im pretty sure this is the answer
7)alternate exterior angle or supplementary angles
8)81
Answer:
C. 60
Step-by-step explanation:
You can take away 120 instantly because that angle is acute. This leaves you with A, B, and C. It's most certainly too big to be C. By this point you can look at it and draw a 90 degree angle in your mind and you can see that it looks about 2/3 of a 90 degree angle.
May I have brainliest please? :)