Please help me with this​ only c.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.

Asalad dressing recipe calls for 1 teaspoon of vinegar and three tablespoons of olive oil to only make 1/3 of the recipe for a single portion how much of each ingredient would you need