Answer:
b
Step-by-step explanation:
Answer:
5,6 and 9, 10 so E and F
Step-by-step explanation:
If it is question 9 of 1a
Answer:
D
Step-by-step explanation:
So we have the expression:

Combine like terms:

Add or subtract:

Simplify:

Our answer is D
14n-22 is the answer. Use the distributive property.