The answer that best fits the blank is 5 BILLION. It is estimated for another 5 billion years that the Sun would still have enough fuel for hydrogen fusion. This fusion that occurs in the sun is what we are experiencing now which is its radiance and this is a very strong energy that is able to reach us. Hope this helps.
This are some of the things behind imperialism in Africa.
1) Need for resources,
2) Political competition
3) Technological advances
Economic factors were more of a driving force behind imperialism because the imperialists were in need for natural resources for them to improve their technology and their national pride.
The right answer for the question that is being asked and shown above is that: "Undefined."
AB = XY
BC = YZ
CA = ZY
BC = x + 5
AC = x + 1
YZ = x + 3
XZ = x + 2
x + 5 = x + 3
<span>X = undefined.</span>
