Element X decays radioactively with a half life of 10 minutes. If there are 290 grams of element X, how long, to the nearest tenth of a minute, would it take the element to decay to 16 grams?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle