Answer:
3×2 + 3×-b
Step-by-step explanation:

Answer:
25a^2-49
Step-by-step explanation:
1)use FOIL
F=first
O=out
I=inside
L=last
5a*5a+5a*-7+7*5a*7*-7
25a^2-35a+35a-49
25a^2-49
Hope this helps!
Answer:
v = -9
Step-by-step explanation:
ur welcome
Answer:
Step-by-step explanation:
I believe that this is the answer.
Answer:
1. 3x faster
2. 12 weeks
Step-by-step explanation:
(85-25)/5=12