0.77 is the answer to your question
Answer:

Step-by-step explanation:









It is unknown since there is a 50-50 chance it could be heads or tails
The answer is letter b 15mx20m
Answer:
the perimeter of the square is 4√2
Step-by-step explanation:
With this being a square, we know that the distance from (0, 1) to (1, 0) is
√[ (1)² + (-1)² ], or √2.
There are four line segments, all of length √2, so the perimeter of the square is 4√2.