There is 1 brother as they would all have the same brother.
To set the equation,we can first find how much price would be raised within a year:
=500×(1+7%)
=500×1.07
As the years go by the increase would accumulate,and the equation would be:

Hope it helps!
If 70% lay eggs, that leaves the remaining 30% to give live birth. 2700(0.30) = 810 species
Answer:
6a2 + 6a + 7
Step-by-step explanation: