went-to-the-cinema-and-ob … | Find out how to solve it at QANDA

Mariana went to the cinema $ and $ observed that the first row was 9 $ n $ away from the screen approximately; and there was a distance between each row of $ 1m $ The following table shows the separation between each row and the $ panta | la $ $ 7 $ 7 Row $ 1 $ 1 Row $ 2 $ Row 3 $ T $ Row $ 4 $ Row 5 $ 9m $ $ 10m $ $ 11m $ $ 12m $ $ 13m $ Which $ cs $ is the algebraic expression that corresponds to the distance $ left (D right) $ of each row $ left (x right) $ $ a1a $ screen ?