Jack goes to a store an buys an item that costs x dollars. He has a coupon for 40% off, and then a 8% tax is added to the discounted price. Write an expression in terms of 2
that represents the total amount that Jack paid at the register.
(pls help)

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

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 graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels