The equation calculates an annual rate in economics. what rate does the equation calculate

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

4+(2+x) can you me solve this problem