Dividing and multiplying complex numbers.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

F(x)=5/6x+3 which of the following is true