Becca orders a dvd over the internet. the company’s website says the dvd will be send out the following working day. it will arrive no more that 10 working days later. working days are monday to friday. becca orders her dvd on wednesday 4 august. what is the latest data becca will get her dvd?

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?

Which compound inequality could be represented by the graph?

Prove that 16^4-2^13-4^5 is divisible by 11.