Four less than six times a number is the same as eight times the number, x, increased by 12
which equation describes this situation?
a. 4-6x8x + 12
b. 6x + 4 - 8x +12
c. 6x - 4 - 8x +12
d. 6x-4-12x + 8

A

Step-by-step explanation:

let the number be x

4-6x=8x+12

subtract 4 on both sides

-6x=8x+8

subtract 8x on both sides

-14x=8

x=-8/14

x=0.57142857142

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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.