Classify the following triangle .check all that apply

Need on this one asap im almost done with this subject

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?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15