Write what the expressions below best represent within the context of the word problem how many quarts of water must be added to 4 quarts of an 80% mixture to obtain a 50% mixture?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

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

Which two fractions are equivalent to 24/84? 6/42 and 2/7 6/21 and 2/6 12/42 and 3/7 12/42 and 2/7