Which set of ordered pairs is a function? {(2, 1), (2, 2), (2,3), (2, 4), (2,5)}
{(0,0), (1,1), (1, -1), (4,2), (4,-2)}
{(1, 1), (2, 2), (3, 3), (4,4), (5,5)}
{(1,5), (2, 4), (3, 3), (2, 2), (1,1)}

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 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?