Answer:
a=7/2
Step-by-step explanation:
a^2-2a+2a-4-a^2+2a+3a+6=3a+9
You want to solve for "a"
1. Mover all terms on the right side to the left side setting this equation to zero.
2. Combine Like Terms
3. Divide to isolate your "a"
The ratio from 80 to 5 would be 16. so divide 144 by 16 and you get 9. Answer:9
Answer:
the answer is D
Step-by-step explanation:
Answer: i only know area and volume but i don't know this
Step-by-step explanation: confusing werewolf
Answer:
1
Step-by-step explanation:

Remember that 
Plug it in:


