Jenny believes that spending one hour studying for economics will increase her grade by 20 points. Studying for a second hour will increase her grade by 10 points. She also believes that studying for an hour for history will increase her grade by 15 points, but spending a second hour will increase her grade by only 5 points. Jenny has two hours to study. If Jenny wants to maximize the sum total of her scores, what should she do?

A) study 1 hour for economics and 1 hour for history
B) not study for economics and study 2 hours for history
C) study 1 hour for economics and not study for history
D) study 2 hours for economics and not study for history

answer; /// i do believe its the ; //(iroquois)they were made up of several groups who spoke a common language;

answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’

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.

what is the question?