3couples go to the movies and sit together in a row of 6 seats. in how many ways can these people arrange themselves if each couple sits together

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The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

How do you write y-10=2 (x-8) in standard form