PLEASE PLEASE HELP, I NEED THIS IN LESS THAN 50 MINUTES AND THIS IS 40% OF MY YEAR GRADE

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?