Which of the following are directly proportional:
the number of math problems solved and the number of days i have worked to solve them if every day i solve one more problem than the day before.
yes or no

What is the best reason for jacinta to have a savings account in addition to a checking account

Whats the name of the vertical axis

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.