Answer:
Option 3 (C)
Step-by-step explanation:
It is the only one that changes the same amount every time ( times 2 )
Answer:

Step-by-step explanation:
first things first:

now:

now the intersection is:

Answer:
20cm squared
Step-by-step explanation:
What he said just click on that
Answer:

Step-by-step explanation:
pull like terms from the problem to re-arrange it into a product
