Help me please, i been stuck on this for awhile now

Find the value of x for which the lines are parallel.

What is the radical expression that is equivalent to the expression 27 1 over 5?

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.