please answer during normal breathing about 11% of the air in the lungs is replaced with each breath. write an exponential decay model for the amount of original air left in the lungs if the initial amount of air in the lungs is 550 milliliters. how much of the original air is present after 30 breaths?

a = ^x

the amount of air left after 30 breaths is milliliters

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a. m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum. how many seats does the larger van have?

What does the relationship between the mean and median reveal about the shape of the data