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You used distributive property because when there’s parentheses in a equation you need to distribute the number outside of the parentheses
Answer:

Step-by-step explanation:
Area of a square:
= 

Therefore, the answer of the scarf is 
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Answer:
30.7
Step-by-step explanation:
It's 30.7 because 707/23
Answer:
Step-by-step explanation:
The mnemonic SOH CAH TOA helps you remember the definitions of the trig functions. In particular, the function that involves the Opposite side and the Hypotenuse is the Sine function:
... Sin = Opposite/Hypotenuse
In this problem that means ...
... sin(55°) = x/(12 ft)
Multiplying by 12 ft, we have ...
... (12 ft)·sin(55°) = x ≈ 9.82982 ft ≈ 9.8 ft