What is the radius of a hemisphere with a volume of 81449ft^3, to the nearest tenth of a foot?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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.

X– 4 = 12.5 can be written in words as