Find the unknown value of 5/25 = 13/

What is the quadric regression equation that fits these data

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.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.