This is the paper. to my first question if there is any confusion.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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

Determine the area of a triangle with (see picture below)