Arectangular picture measures 82 cm by 75 cm. it has a border 7 cm wide around it. what is the area of the border?

2002cm^2

(^2)=squared

you find the total area of the picture and border, 75×82, then find the area of the picture without the border by subtracting 7 from each side. that gives you 61×68. from there you have 6,150 for the picture and border, and 4,148 for just the picture. subtract the area of the picture from the area of the picture and border and you get just the border, 2,002cm squared

if im undersanding the question correctly, its organized from 10

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.