Pls I need help it’s a test

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Which best explains why this triangle is or is not a right triangle ?

You work for a landscape company that just got a contract to re-mulch a park. the area that needs mulching is 30 feet by 60 feet. they want a 3 inch layer of much on the area. the company has bags of mulch that cover 2 cubic yards that cost $4.00 per bag. how much will it cost the consumer just in materials to re-mulch the area (round to the nearest dollar)?