A car travels at a constant speed. The table shows the distance y ſin miles) that the car travels after z minutes. How far does the car travel after 18 minutes?
Time (minutes), z 0 10 20 30
Distance (miles), y 0 11 22 33

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)?