Considering that 1 lbs =16 ounces and you need one serving (8oz) then you will make two servings so the answer is two servings hope this helps and have a nice day (:
150,000 I believe is the answer
77/20 = 3.85 <== terminating decimal
Cos 210° = cos ( 180° + 30° ) - cos 30° = - √3/2