Please attach the images inline...otherwise they won't show up in the "Topic Review" and having them show up there can be helpful when replying to a...
In order for three points to be collinear, we can pick any two distinct sets of two points from the set of three to form two line segments, and those...
IF we were to interpret "In 5 years, John will be three times as old as Alice" to mean that, in 5 years, John will be three times as old as Alice is...
"John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, John will be three times as old as Alice. How old is Peter...
As far as b is concerned, noting that e^{-bt}, for fixed t, is a decreasing function of b (for example, the derivative with respect to b, -te^{-bt},...