Springfield Middle School built a track in the shape of a circle. The diameter of the track is 100
meters. What is the circumference of the track?

What is the value of r of the geometric series?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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?