What was the interest rate if your balance on an investment of $555 at the end of six years is $821.40?

The interest rate is 8% simple interest.

Step-by-step explanation:

Let the investment of $555 is getting r% simple interest for 6 years to become the balance of $821.4.

So, from the equation of the simple interest we can write

⇒

⇒

⇒ r = 8%

Therefore, the interest rate is 8% simple interest. ( Answer )

(-5,-28)

i graphed to on desmos.

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.