If each side of a square is 7 units long, what is its area

What is the value of x in the following equation? -3x-2=2x+8

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?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25