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26 / 30 Marks
E
5 cm
D
с
ABCF is a rectangle.
CDEF is a trapezium.
AE is a straight line.
AB = 9 cm, AE = 11 cm and DE = 5 cm.
The perimeter of rectangle ABCF is 28 cm.
Calculate the area of trapezium CDEF.
= 24cm
11 cm
9 cm
B
+
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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.  

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation: