i need help with this question aka all the little questions in it. Will give brainliest!! Worth 10 pts but EXTRA if needed as payment.

Find the quotient. 50a2 – 98b2 -5a +7b

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.