A cylindrical gasoline storage tank has a diameter of 3.8 ft and a height of 10.9 ft. What is the total surface area of the tank.

HELP PLZ

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Franco wants to double the volume of the cone. what should he do?

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?