What if you scored a 0.80 on a test? what fraction of the test, in simplest form, did you answer correctly

What is the binomial expansion of (2x-3)^5

(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

How can you tell when x and y are not directly proportional?