ASAP plz answer 1-2-3 thank you

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

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?

Opposite angles in a parrellelogram are