Which of the following is a solution of 4x2 = − 9x − 4? 9 plus or minus the square root of 17 divided by 8 negative 9 plus or minus the square root of 145 divided by 8 9 plus or minus the square root of 145 divided by 8 negative 9 plus or minus the square root of 17 divided by 8

Ben is interested in using a source that provides original research, current and developing trends and experts within specific fields. which source should he use?

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same