18 of the last 30 cars cars that passed you were black. what is the probability the next car will be black?

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

Asinusoidal function whose frequency is 1/6pi

Arational number that is equivalent to -20/4?