The number of music CDs sold in 2003 by one comparty was approximately 2.4 x 10 The number of music CDs sold by the same company in 2010 was approximately
6.8 x 107. What is the difference in CDs sold between 2003 and 2010?

A. 6,560,000
B. 65,600,000
C. 1,720,000
D. 17,200,000

If f(x)= 3x+6 which of the following is the inverse of f(x)

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?