m = npx-1 i hope this helps. sorry if it didnt i would have needed more information.
-72x^10 would be the correct answer
7/8 x 1/4 =
7/32
7/32 would be the simplest form, unless they want a decimal.
which is similar to n:1 where 
<u>Step-by-step explanation:</u>
Here we have to Express in the form n:1 give n as a decimal 21:12 . Let's find out:
Given ratio as 21:12 . Let's convert it into n:1 , where n is decimal
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{ dividing denominator & numerator by 4 }
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which is similar to n:1 where 
Answer:
1 adult = 16 students
a = 16x
Step-by-step explanation: