For the month of april a checking account has a balance of$538 for 21 days, $2463 for 4 days and $298 for 5 days. what is the account's mean daily balance for april

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.  

9987

step-by-step explanation:

the answer for the second equation is (4,0)

the answer is  

c.

90.0π cm^2

hope you got it.