Can someone help me with this

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.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Plzzz answer both questions and i will give you 100 points