A street is 20 blocks long a house can be built on the street every 1/10 of a block how many houses can’t be built on the street? Which to expression could be used to represent the problem

A. 20x10
B. 20+1/10
C. 20x1/10
D. 20-1/10
E. 20 divided 1/10
F. 1/20 x 10

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

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step-by-step explanation:

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.