(3a-7)^2
1. 9a^2-21a-21a+49
2. 3a(3a-7)-7(3a-7)
3. (3a-7)(3a-7)
4. Combine like terms
edit; found the wrong thing lol
Answer:
1:4
Step-by-step explanation:
3:12
((3×1):(3×4))
=1:4
(would love if you could mark me the brainliest :))
Answer:
C. 4.6
Step-by-step explanation:
If you subtract 3.0 from 1.4 you get 1.6, which is the can be added to 3.0 to find the missing value.
