6. A music store is offering piano lessons for $78 per month. A piano book costs $25. How many months of lessons could a student take if he had $649 to spend on the lessons and
book?

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 object in geometry with no width, length or height is a(n):

You so much whoever answers with accuracy •the parent function of the graph of f(x) is the square root function, which was reflected across the x-axis. which of the following is the equation of f(x)?