What statement is the true regarding the function on the graph?

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

If the value of cos330°is√3/2 then find cos 165°.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a