1. If the equation for decay is 30 (0.6), then it gives you another equation within that which states 20 (0.6) and then asks what the 20 represents in the equation, what would it represent? the starting point? the time to get to 30?
2. for median, what do you do during a box and whsker plot when you have an even set of numbers? Let's say you have 10, and you're asked to find the median for the first, second, and third quartile.