Answer:
A: 3
Step-by-step explanation:
Hopefully this helps!
Answer: B(3)
Explanation: 12+9=21 so since 4+3 only equals 7, you plug in x as 3... since 7x3 is 21 that helps make the statement true bc both equations are equal.
Answer:
216π cubic centimeters
Step-by-step explanation:
I believe the commutative property on multiplication
i hope this helped