Find the 29th term of this sequence: -121, -108, -95, -82

Based on what i know about mean, this doesn't add up.

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

W-16=-12 solve each one step equation plz