Answer the question.the first gets..it should be correct tho​

Which term best describes the association between variables a and b

Find the values of y: 3y^3(y^2+ 2/3y)=0

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?