20. The bee population in a certain area is declining at an uninhibited rate of 36.5% per year. How long will it take for that population to be one-fourth of the initial population?
5.9 years
1.6 years
11.3 years
3.8 years

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box