carmen wants to tie a piece of ribbon onto balloons for a party. She has a ribbon that is 22 1/2 inches long which she'll cut into three equal pieces. how long will each piece be?

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.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false