I NEED HELP THIS IS DUE TODAY alaina is selling wreaths and poinsettias for her chorus fundraiser. wreath cost 27$ each poinsettias cost 20$ each. if she sold 15 poinsettias and made 543$ how many wreaths did she sell (make equation in Ax+By=C form)

Ineed i been stuck on this question since yesterday

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Someone answer asap for ! 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?