Sets venn diagrams problems solving

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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?