Find the total area of the solid figure with the length, 3 width 5, and height 6

An angle that measures between 90 and 180° is called a(,

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

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