Working together, it takes two computers 15 minutes to send out a company's email. if it takes the slower computer 60 minutes to do the job on its own, how long will it take the faster computer to do the job on its own? do not do any rounding.

Which inequality has a dashed boundary line when graphed ?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?