Please i need help with this factor 6x+3y

Does anyone know how to do geometryme with this problem

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

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.