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? A. 0.4 seconds
B. 0.53 seconds
C. 1.6 seconds
D. 0.2 seconds

Design a number line containing five (5) points2.benin, one of the smallest countries in africa, has a total area of 43,475 square miles. the population of the country was recently estimated at 10,160,555. about 3,657,790 people live in rural areas. the country has only about 870 miles of surfaced roads. a. round off the total population to the nearest hundred thousand people. b. round off benin’s area in square miles to the nearest thousand. c. round off the number of miles of surfaced roads to the nearest ten. d. round off the number of people who live in rural areas to the nearest million.

Place the following steps in order to complete the square and solve the quadratic equation,

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet