Scarcity-fundamental economic problem facing all societies that results from a combination of scarce resources and people's virtually unlimited wants
Answer:
should be D if these aren't correct for you come back and I can give information
Answer:
h'(t) = (√t)(1 -5t²)/(2t)
Explanation:
First of all, your product rule needs to be written correctly.
(f(x)g(x))' = f'(x)g(x) +f(x)g'(x)
You have ...

The Abbasids established the new position of vizier to delegate central authority, and delegated even greater authority to local emirs. The Abbasid dynasty ruled as caliphs from their capital in Baghdad, in modern Iraq, after taking over authority of the Muslim empire from the Umayyads in 750 CE.