Expand » kenneth has a total of $25 to spend on books and music cds. books are on sale for $5 each, and music cds are on sale for $10 each. kenneth will purchase exactly 1 music cd. what represents the range of books that kenneth can purchase?

1. are the triangles similar and if so why? what is the value of x? show your work.

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?

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.