A company’s cost, in dollars, of making x tablet computers can be represented by 20x + 150 . The predicted revenue of selling x tablet computers is 50 + 30x dollars. Write a polynomial that represents the profit of selling x computers. If the company sells 150 computers, will it make a profit? If so, how much?

answer:   14

step-by-step explanation:          

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the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.  

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!