Me1. tasha incorrectly found the greatest common factor of 21xy^2z^2 to be 5xyz^2. which statement explained her mistake2. the length of a rectangle is represented by (6x -2) and the west is represented by (x - 1). which expression best represents the perimeter of the rectangleboth questions are in the picture above.

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)?