Circle A has a circumference of 16units. Circle B has an area of 25square units. Which circle has the bigger radius?

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Can someone answer this question for me

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be