Answer:
Inverse property of addition
Step-by-step explanation:
When you add two opposite numbers (4/5 is the opposite of [-4/5]) the answer is always zero.
Two ratios that are equal to 7:6 are 14:12 and 21:18, as they are the same, but 7 and 6 are multiplied by the same number (2 in the first, and 3 in the second.)
Step-by-step explanation:



Answer:
y = 0
Step-by-step explanation:
The line y = 0 is cutting your triangle in half with perfect symmetry.
Answer:
3,240
Step-by-step explanation: