−3×(−4+7) pls can somebody help

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.

Will mark name all segments skew to bc

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer