The cube of a number decreased by two times the same number

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The length of time it takes to find a parking space at 9 a. m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)