it should be 16.5 because the other chord, half of it is 8.25. good luck!
SOS:
Answer:
Take the square root of 36 and subtract 2.
Step-by-step explanation:

<em>Hope this helps!!</em>
Answer: 0.12
Step-by-step explanation:
The expected number of accidents is a weighted average of the potential number of accidents and their probabilities:
= (0 * 0.935) + (1 * 0.03) + (2 * 0.02) + (3 * 0.01) + (4 * 0.005)
= 0.12
The first blank is 121 and the second blank is 144