The many rows of sharp, jagged teeth on some sharks is an example of catching food.

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i. e., a subspace of r 3 ). explain your reasoning

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?