Which angles are complementary to each other ? select all that apply

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

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?

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get