Cos . tg = sen
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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?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9