6. Which sets of ordered pairs represent a function? Select all that apply. {(3,1), (2, 2), (3, 3)}
{(1,0), (2, 1), (2,3)}
{(1,5), (2,5), (3,5)}
{(3,2). (5,1),(4,0)}
{(1,3), (1,4), (1,5)}

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults