If the circumference of a circle is 21.98 feet, what is the diameter of
the circle?
Use 3.14 for pi

These question are hard can you me with answers

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?

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest