You have to cut it have first so there is a top and a bottom rectangle.
For the bottom one it is 40 x 40 x 25 = 40,000
For the top one it is 40 x 35 x 25 = 35,000
Then you add 35,000 and 40,000 to get 75,000 cm cubed
The answer for missing angle S is 60°
$20 - $12.75 = $7.25
$7.25 / $0.75 = 9.6
So you can buy C) 9.6 cookies.
Hopes this Helps!!
2100/1 or 4200/2, could be either
The answer is B because -3 -8 = -11.