Answer:

Step-by-step explanation:

We know
is a complex number and is defined by 
∴
Answer:
1900 miles long
Step-by-step explanation:
1/2 probability for each coin, is that want your asking for
The first number in the couplet is the distance along the x-axis (i.e. distance from the y-axis). We can read 0.8 from the graph.
The second number is the distance along the y-axis (i.e.distance from the x-axis). We can read 6.7 from the graph.
So approximately, we have the point as (0.8, 6.7).
Round the numbers to the nearest integer and you'll get the required answer choice.