How many countries make up the Organization of American States?

As of 2009, the largest and most widespread religion in the world was a. buddhism b. christianity c. hinduism d. islam select the best answer from the choices provided. a b c d

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k