mary wants to buy a dvd. the original price was $29. the dvd is on sale for 30% off. how much was the discount? How much will mary pay for the dvd before sales tax is added?

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?