Factorise 2y²-y-1 by using splitting the middle term

Which is an example of a population?

How does friction with the atmosphere affect the speed of an artificial satellite

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service