please help me i need the right answer it is my fourth time posting this question

n $($Figure $1),F_1=700lb,F_2=400lb,$ and $F_3=300lb.$

Determine the magnitude of the resultant force acting on the corbel.

Express your answer in pounds to three significant figures.

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Part B

Determine the direction $$ of the resultant force acting on the corbel measured counterclockwise from the $x$ axis.

Express your answer in degrees to three significant figures.

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$=$

$$

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