The questions says “what is the solution to this system of equations”

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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?