Find an example of vectors u1, u2, u3 ∈ r 2 such that span(u1, u2, u3) = r 2 and span(u1, u2) 6= r 2 or explain why this is not possible. if you provide an example, your answer should include an explanation of why those vectors have the desired properties

Given that abcd is a parallelogram solve for m

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

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