Can anyone me which fractions represent the given fractions rewritten with their lcd 4/3x-6y, 1/5x-10y

(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

Find the value of x for which line a is parallel to line b

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)