HELP FAST Which of the following expressions is equivalent to 6^-7

A: 1/(-6)^-7
B: 1/6^7
C: (-6)^-7
D: 1/6^-7

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.