A function contains five ordered pair which ordered pairs could represent the 5th point and remain a function

(-2,7) (0,3) (1,-4) (5,-2)
answers (5,7) (3,4) (1,-4) (5,-2)

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

With alll of except for the 2 that i did already