Do lulus way. If you change the angles, you will not have a pentagon anymore. If you subtract, it wouldn’t be the same ratio:)
I'm going to assume you just mean how do you write the ratio, in which case the answers vary
18:6
18 to 6
or
18/6
Answer:

Step-by-step explanation:
Given , value of x = 12
To find : Value of the given expression
Given expression = 
plug the value of x

Subtract 7 from 12

Hope I helped!
Best regards! :D
Answer:
40
Step-by-step explanation:
you multyply 4 by 10 to get 40 or add 4 10 times
Answer:
2. -2
2b. 28
2c. I'm confused
3. >
b. <
c. >
d. =
from e to j, I have no idea
Step-by-step explanation:
I hope this helps :)