States spend the least amount of revenue on .
a.
highways.
b.
education.
c.
intergovernmental expenditures.
d.
public welfare.

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.

answer; rational if melanie values sleep more highly than the benefits she expects to receive from attending the class;