What is the length of the diagonal, d, of the rectangular prism shown below? Round your answer to the nearest tenth.
2
21: M2,
21: M4
The length is
units

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.

Extra points! find the missing dimension! need asap

How do i simply this radical expression?