a boat travels south to cross a river. a passenger on the
boat measures that they are traveling at 4 m/s south
relative to the water and that the river is flowing at 3 m/s
to the west.
a. sketch the motion of the boat on the river.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic