During track practice, Yi finished the 100-meter dash with times of 16.2 seconds, 16.6 seconds, and 15.6 seconds. She ran one more time before the end of track practice and finished in 15.6 seconds. What is the mean absolute deviation of Yi's times? *

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

If the discriminant if a quadratic equation is 4 which statement describes the roots?