Please someone help me answer this questions

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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.