C on that one which is the correct answer
When is cos (x) = 0? <em>at 90° (aka π/2)</em>
Answer: 
Answer:
Beneficial terms of trade or trading price between two parties are opportunity costs lower than the cost to manufacture them locally which benefits both parties. They must be less enough to cover the freight charges or additional service charges that may arise.
Answer:
John is 12 years old.
Step-by-step explanation:
She is three times as old as an 8 years old.
8*3 = 24
Twice as old as John. John is half her age.
24/2 = 12
