Given: circumscribed quadrilateral abcd, ab=5,
ad=8, cd=10.
find: bc

In a circumscribed quadrilateral, the sum of the lengths of opposite sides is constant:

In your case, we have

Step-by-step explanation:

It is given that a quadrilateral ABCD is inscribed in circle and AB=5, AD=8 and CD=10.

Then, using the properties of the quadrilateral inscribed in circle that is the sum of the lengths of opposite sides of quadrilateral  are equal, we have

Substituting the given values, we have

Therefore the value of BC is 7.

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.  

answer: a. 13/44

step-by-step explanation: judging by the information given to us, we are looking for experimental probability. we can see that 13 males have chosen chocolate ice cream. there are 44 ice creams in total (remember that the total is always the denominator). so our answer is 13/44.