Complete the equation and tell which property you use 16+31=31_

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?