Answer:
Start your letter with “Dear” followed by your teacher's name. This is a polite form of greeting known as a salutation. Include the title you use for your teachers, such as Mr., Mrs., Miss, Ms., or Coach. Use the name your teacher prefers.
Explanation:
The answer is "don't" So, the correct sentence would be "<span>Don't your mom and I use the same hairdresser?"</span>
Hmm I'm guessing he's basically the one with the power and the money to say things, or maybe he owns something big or something that is used everyday. Maybe, he's just respected by everyone and will understand what you have to say.
A persuasive speech on a school rule, or a thing you want, or for school to allow phones during lunch or something like that.