Answer:
-20
Step-by-step explanation:
-20 is greater. Since both numbers are negative, the closest number to zero is technically greater.
It's an equilateral triangle, therefore
AB = BC = BA
We have the equation:


<h3>Answer: BC = 3</h3>
Answer:

Step-by-step explanation:
Subtract 7x from 8x.
Move all terms not containing x to the right side of the equation.
Add 9 and 2.