What is the value of n?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?