Answer:
12
Step-by-step explanation:
since you already know that the short sides together are 4 inches, that means there's 18 inches left, so 9 inches for each long side. Add 3 to 9 and you have your unknown number.
It cant really because 400,00 is greater than 400 so it would not work
Difference is subtract so 400-148=252
Where is the table how are u supposed to answer
