Answer:
Your answer is 9
Step-by-step explanation:
√9=3
3-7=-4
As I understood your typing <span>3 1/4 means

So,
</span>

Is it what you are looking for?
First you need to move that n over im fairly certain
Answer:
477 yards
Step-by-step explanation:
1 foot to a yard is 0.333333.
1431 times 0.333333=477yards