Help please i have no idea how to solve this

 The answer is:  " " .

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Step-by-step explanation:

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Given:  " " ; and:  " " ;

 Find:  "  " ;

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Note:

 " ;

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Take note of the following properties of exponents:

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{Note:  "  ".

{Note: " ".

{Note:  " " ; Assuming " " .}.

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 We have:  " " ;

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Given: " " ;  We can substitute:

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  " " ;

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Now, regarding: " " ;

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Given:  " " ;

Note that " 6 ÷ 3 = 2 " ;

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So:  " " ;  {since:  " " } ;

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So:  We can substitute "4" for " " ;

and solve for the value of:  " " :

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 " " ;

So:  " " ;

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Now,  " = " .

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The answer is:  " " .

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Hope this is helpful to you!

 Wishing you the best!

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  21.3

step-by-step explanation:

multiplying the given equation by c/sin(25°), we get

  c = 9/sin(25°) ≈ 21.2958 ≈ 21.3

we assume "c" is the length of ab, the side opposite angle c in triangle abc.

the y will be in still but your answer will be y x 3

step-by-step explanation:

jk: )