which expression is equivalent to -4^-4?

There are no given expressions, but some examples would be

1/(-4^4)

1/256

-(1/(4^4))

the word that best sums up the tone of the newspaper regarding the treaty of versailles is resentful.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.