Protactinium-234m, a toxic radioactive metal with no known use, has a half-life of 1.17 minutes. How long does it take for a 225-milligram sample to decay to 4 milligrams.​

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

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)

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.