an art class is making a mural for their school which has a triangle drawn in the middle the length of the bottom of the triangle is X another side is 7 more than four times the length of the bottom of the triangle the last side is 5 more than the bottom of the triangle write and simplify an expression for the perimeter of the 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)?