More than 80% of the american workforce works in what sector

Explanation:

I presume you mean numbers. 84% of employable people work in the service industry. They also create 82 % of the income -- some 11 trillion dollars.

answer; john stuart mill's principle of utility is your answer; /// good luck

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.