..... We need the excerpt to answer this
I feel like kindness can be taught because if someone is mean and you set a good example and they want to be just like you they will start be kind. You can also teach kindness in a classroom by making everyone be nice to have a happy classroom and people will be asking for help and asking to borrow something. I also feel like it matter on the age.
C.)A group of men
trust me i know
Answer: "On average, school uniforms cost $150 a year, which is much less than the average spent on back-to-school clothes."
Explanation: This is the answer because it proves the author's point that school uniforms are less expensive than buying "... an entire wardrobe of designer clothes and trendy styles".
Hospitable -Disposed to treat guests with warmth