PLEASE HELP Write the formula associating energy with power. Write the formula associating potential energy with height.​

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up