The sum of the two numbers is 30 and their difference is 20

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?

Landon wrote that 3−2.6=4. which statement about his answer is true?

Identify the parent function that can be used to graph the function f(x)=3(x-9)2