There are 4500 lower level seats and 2000 upper level seats. what is the ratio of lower level seats to total seats

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 slope of the line shown below?

With finding limits of multi variable !