Which of these triangle pairs can be mapped to each other using a single translation?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

This is different from the first one can someone me

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x