A circle has a circumference of 12. It has an arc of length
What is the central angle of the arc, in degrees?

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.