{(0, 0), (2, 0.5), (4, 1), (3, 1.5), (4,2), (5, 1.5), (6, 8)} Which ordered pair can be removed to make this relation a function?

Why would removing this ordered pair make the relation a function?

Help me please

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool. how far is the ball from the opposite edge of the pool

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?