The bar graph shows the number of each item sold at a bake sale. Which statement about the graph is true?

A. 25% of the items sold were cookies.
B. 1% more cupcakes than cookies were sold.
C. 1/4 of the items sold were brownies.
D. 1/8 of the items sold were cookies.

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 %