<span>Hey there!
The answer to this is: I have a headache.
This is because:
I have a headache means that your head is hurting.
I am a headache means that you are headache.
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<span>Thank you! :D</span>
The third option is correct: "Art and math are courses architecture students must have on their schedules."
The other two uses the word "their" when referring to a single thing/person. The correct word should be: "Each architecture student must plan his/her high school and college courses carefully." and "Every school of architecture sets its own specific requirements."
Answer:
I was going to be late for band practice therefore, I decided to bring the band director a cookie.