Explain how you can prove the difference of two cubes identity. a3 – b3 = (a – b)(a2 ab b2)

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?

How many soccer players are there that are only getting paid as a career? ? plz give correct info

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome