Suppose that u and v are two vectors with |u| = 1, |v| = 3 and u · v = −2. a. Compute |u + v|. b. Compute |(u + 2v) × v|

Which of the following are parts of a sphere

In a newspaper, it was reported that yearly robberies in springfield were up 25% to 265 in 2013 from 2012. how many robberies were there in springfield in 2012?

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.