Solve . log (xy) where x=12 and y=20

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.

Opposite angles in a parrellelogram are

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?