Question 1 of 40 If AABC ~ ADEF and the scale factor from AABC to ADEF is , what are the
lengths of DE, EF, and DF, respectively?
B
10
10
A
25
c
F
A. 10, 10, 25
OB. 5, 5,5
O C. 2, 2,5
O D. 5, 5, 15
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Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?