What does "reciprocal impact" mean?

A50% increase followed by 33 1/2% decrease

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

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.