$33 rebate on an $83 chair

What is the volume of the sphere shown below with a radius of 3?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

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.