Eli freda and geoff were given £800 to share in the ratio of their ages Eli is 9 years old freda is 13 years old and geoff is 18 years old how much should they each get?

sine

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.  

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.

c. 6tan80

step-by-step explanation: