Cindy runs 2 kilometers every morning. she takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest. cindy’s average speed for the entire run is meters per minute. one kilometer is the same as 1,000 meters.

When you are driving slowly in the freeway fast lane, blocking traffic which wishes to pass you should

After a heavy rainstorm vegetation on a hillslope was completely removed. how will this removal of vegetation affect the relative amounts of infilitration and runoff that occur during the next heavy rainstorm.

The difference of sample means of two populations is 55.4, and the standard deviation of the difference of sample means is 28.1. which statement is true if we are testing the null hypothesis at the 95% confidence level? a. the difference of the two means is significant, so the null hypothesis must be rejected. b. the difference of the two means is significant, so the null hypothesis must be accepted. c. the difference of the two means is not significant, so the null hypothesis must be rejected. d. the difference of the two means is not significant, so the null hypothesis must be accepted.