Answer:its 9 just ook the tsest
Step-by-step explanation:
The answer to the question is A
Answer:
See below
Step-by-step explanation:

Answer:
the issue will be for 4/5
Simply distribute the -3 across the b and -7.
-3(b - 7) = (-3 * b) + (-3 * -7) = -3b + 21
Hope this was helpful, if it wasn't just drop me a DM explaining what didn't make sense.