Atea merchant sells tea for $15.99 per kilogram. if a customer orders 1/2 pound of tea, how much will it cost the customer? (hint: 1 kilogram = 2.2 pounds). round to the nearest penny.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?