Can someone answer this

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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

Which of the following shows the length of the third side, in inches, of the triangle below