<span>The probability is 80% or .8. Bill could have to wait anywhere from 0-25 minutes, and only 5 of those would mean he waits less than 5 minutes. So 20/25 = .8 = 80%.</span>
Use a^2 + b^2 = c^2 to get your answer
6^2 + b^2 =7^2
36 + b^2 = 49
b^2 = 13
b= 3.6
3.6 meters apart
OK so first divide 367 by 30 and you get 12 with a remainder of 7.
each group cleaned 12 miles
7 miles of the cost line was not cleaned