Please help 20 points and brainiest plus thank you and 5 starts for the correct answer

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

What does independent variable and dependent variable mean in math?