There are 12 inches in a foot. If he needs 4 feet, and 4 times 12 equals 48, then he needs 4 more inches.
Answer:
Step-by-step explanation:

16m cubed - 10m squared......
take out the common factors
they both have a two that can go into it and both have two m's you can take out
so then it becomes
2m squared(8m-5) and thats your answer (:
The first one that's the answer the reason for that is because it's the formula to find the area if you do it backward you can find the side legnth