At the post office, Tiffany paid $11.04 for 24 stamps. At this rate, how much would it cost for Tiffany to buy 18 stamps?
A. $0.46
B. $2.76
C. $8.28
D. $17.64

Which of the following transformations will always produce a congruent figure?

Use the squared identities to simplify sin^2x cos^2x

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)?