Which descriptions best characterize good research questions? select three options. not too broad narrow in focus applicable to the topic full of scientific vocabulary about more than one subject

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

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Triangle xyz has vertices x(1,3), y(0,0)