Help ASAP Use the graph to find the solutions of – x2 - x + 4 = 0.
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Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

2x minus y equals 6, x plus y equals negative 3

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 %