Detirme the value of x

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Choose the more precise measurement. 26.4 cm or 8.39 cm