Sam paid $8.28 for 18 stamps. at this rate, how much would it cost sam to buy 12 stamps

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Which of the following represents the range of the graph of f(x) below

Which expression is equal to (f+g)(x)?