Iknow number 13 is right, how do i do 11 and 12?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

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?