Please help with question 14 D:

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Which inequality has a dashed boundary line when graphed ?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.