Answer:
8b(4a-1)
Step-by-step explanation:
32ab-8b
what's the question???
This is an improper fraction so we need to make it a mix fraction.
21/10 = 10/10+10/10+1/10
10/10=1
So your final answer will be
This is TRUE!
The definition for perpendicular only applies when the lines are at a right angle which is 90°