What are the solutions to the equation 9x2 = 49, rounded to the nearest tenth?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?