On a standardized exam, the scores are normally distributed with a mean of 140 and a standard deviation of 40. find the z-score of a person who scored 48 on the exam.

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.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

For the inequality |c| < |d| to be true, which of the following must be true?