Given quadrilateral abcd ~ quadrilateral jklm and ad = 14, jm = 6, and kl = 9, what is bc?

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28