Make a frequency table in the space below. use the intervals 10—13, 14—17, and 18—21.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?