Simplify the expression:
7m - 3m

Write the problem as a mathematical expression.

7

m

÷

3

m

Rewrite the division as a fraction.

7

m

3

m

Cancel the common factor of

m

.

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7

3

The result can be shown in multiple forms.

Exact Form:

7

3

Decimal Form:

2.

¯

3

Mixed Number Form:

2

1

3

Step-by-step explanation:

in simplified version   it would be x ≤-4

step-by-step explanation:

multiply each term in x ≤-4 by -1

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.