What is the mass of raisins in a package

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

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.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?