Acircular piece of glass has a radius of 0.8 meters. the glass sells for $4.60 per m².what is the total cost of the circular piece of glass? use 3.14 for pi.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

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?