If (2x+3y)x (x+5y) or x x y, then which of the follwong is true?​

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

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.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with