Find the scale factor of the dilation. Then tell whether the dilation is a reduction or an enlargement.

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?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).