shorter side : longer side = 3 : 7
Equate 3 parts tp 9 inches:
3 parts = 9 inches
Find 1 part:
1 part = 9 ÷ 3 = 3 inches
Find 7 parts:
7 parts = 3 x 7 = 21 inches
Area = Length x Width = 21 x 9 = 189 in²
Answer: The longer side is 21in and the area is 189 in²
Answer:


Step-by-step explanation:



The interval notation will be:

The contrary,

is 
5.48 inches is the closest length of an edge. I hope this helps. Could you make me the brainliest please?
Answer:
A
Step-by-step explanation:
2 + 12 = 14 = 4 + 10