can anyone help me on this

According to the data set, where should the upper quartile line of the box plot be placed?

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 %

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?