What is the meaning of the 18 that appears in the table

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

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