Why are expert verified people so extra like they put too much information

Determine the quotient and remainder when (6a3)+11a2-4a-9) is divided by (3a-2) express your answer in the form q(a) + r(a)/d(a)

What is the approximate circumference of the circle shown below?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.