Answer:

Step-by-step explanation:
The given expression is : 
We need to simplify the above expression.
We know that, 
or

So, the simplified form of the given expression is
. Hence, the correct option is (A).
Answer: Population
Step-by-step explanation:
$1 = 3.70 rands
$450 is simply 450 times $1, so multiply the conversion equation above by 450 on both sides.
450 * $1 = 450 * 3.70 rands
$450 = 1665 rands
Answer: (-2,1)
Step-by-step explanation: