How do i do medians and centroids ? i have a problem that gives me a triangle and e to f is x+2 and l to n is x+10. the question asks me to find ln how do i do this ? btw i can't put picture because i'm using a computer.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?