The three angles of a quadrilateral are 55,73,105 what is the fourth angle

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.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost