PLS HALP URGENT 1.If the circumference of a circle is 9.1 pi, what is the diameter and radius in terms of pi?
2. If the area of a circle is 196 pi squared, what is the diameter and radius in terms of pi?
ALSO PLS HELP WITH THE REST PICTURES ATTACHED

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Multiplying fractions by whole number 5 x 1/3=?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?