One year ago Ahmed's height was 114 cm today his height is 120 cm. Both measurements are correct to the nearest centimeter. Work out the upper bound for the increase in Ahmed's height

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.