How do you name

It is not Cadmium(II) Nitrate nor Cadmium Nitrate according to Webassign so I'm stumped

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

Why is the bottom layer of a trophic pyrimid the