Toni and Morris go to a department store to buy some shirts. Customers must pay full price for the first shirt each buys, but they receive a 40% discount on the second shirt they purchase, and a 60% discount on every shirt they
purchase beyond the second. Toni buys 4 shirts while Morris buys 3 shirts, and Toni pays $6.56 more for her
purchase than Morris pays for his. What was the original price of the shirt? (Assume there is no sales tax.)

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores