Answer:
a
Step-by-step explanation:
you can split nine into three
Answer:
mm
Step-by-step explanation:
Answer:
the thousandths
Step-by-step explanation:
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.