Scores of an iq test have a bell shaped distribution with a mean of 100 and a standard deviation of 19. use the empirical rule to determine the following a. what percentage of people has an iq between 43 and 157? b. what percentage of people have an iq score less than 81 and greater than 119? c. what percentage is greater than 138?

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents