The half-life of a radioactive kind of tellurium is 2 months. If you start with 40 grams of it, how much will be left after 4 months?

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%