Most of the states names in the United States and in a vowel. Of the 50 States, 25 of the states names end in either an a or an e 7 end in either an i or an o. If none of the state names end in a u, what is the fraction of state names that end in a vowel?

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?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.