Plz Help I will GIVE BRAINLIEST TO WHOVEE DOES ALL OF THEM AND SHOWS WORK. unhelpful answers will be reported.

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

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?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?