Well, it would end up taking Sandy 3 minutes to run the race and Chris 2 and a half minutes. Meaning Sandy crossed the Dubinsky line 30 seconds after Chris.
Let the unknown side be "z" inches
Through pythagoras:

Because the square of the two sides add up to the square of the hypotenuse in a right triangle.
This means that



So the missing side is 16 inches
Hope this helped
The answer is letter B. Every polygon tesselates. Since the word 'tesselate' here means a pattern of shapes put together without any gaps, then I think every polygon tesselates if they are put side by side together in varying amounts and leave absolutely no gaps or spaces between each other.
Answer:
Step-by-step explanation:
Woah thats hard what year you in?