When a is changing at a rate of -0.100 m⋅s−1 , how fast is b changing?

What is the density of the black hole

Which description best characterizes the motion of particles in a solid?

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals