How many hours and minutes is it from 10: 55 p. m. on friday to 9: 35 a. m. on saturday?

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

Pls! does anybody know a shortcut for answering these types of questions in the future?

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.