in this activity you've seen answers with NUMBERS like r=3 and you've seen answers with VARIABLES like r= [tex]\frac{W}{2\pi }[/tex]

Answer:
I hope this is what it's asking
Step-by-step explanation:
the advantage would be that basically you don't have to do any real number calculations, you just take all of the steps and put it into one, so if u had real numbers you could just plug them in with the equation