3×21/4 which expression is equal to that fraction

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)

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.