B. Find the value of x for which Inx + (Inx)2 + (Inx)+ (Inx)* + = 9

A: Cos(B) = ?

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A: Sample proportion for each color can be calculated as follows:

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A: Use calculator to determine cos 23 degrees.

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A: We will use the given facts to establish the congruence between two triangles.

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A: Since you have asked multiple questions in single request so we will be answering only first…