If U={1,2,319,20},P={x:x is a prime number},Q={y:y is a factor of 18} and R={z:z is a multiple of 3 less than 20} Then list the members of following sets and shows this all question in Venn diagram ​

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?