The cost of 3 pounds of grapes is $6.57 what is the constant of proportionally that relates the cost in dollars, y, to the number of pounds of grapes, x

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

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 %