Answer:
B
Step-by-step explanation:
B
(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
8/12 because 3/4 is equal to 9/12 and there was 1/12 left so 8/12
Answer:
a. 7/18
b. K1 and k2 are not independent
Step-by-step explanation:
See attachment please