Which equation correctly shows how to determine the distance between the points (9, –2) and (6, 3) on a coordinate grid?

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

50 points~ ! i have to turn this in tomarrow

For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]