I have the responses that I have already put but I want to know if these would be the correct answers and if not why a different answer is correct.

Jade has midterms in economics and astronomy tomorrow and only has four hours left to study. The accompanying table provides the combinations of time spent studying economics and astronomy and her expected exam scores. Hours Spent Hours Spent Economics Studying Studying Astronomy Exam Score Exam Score Economics Astronomy 0 60 0 70 80 83 2 90 2 87 95 3 90 4 98 4 92a. Use the graph to plot the production possibilities frontier for Jade's study options.40 B C D Point improvement to your economics score E 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Point improvement to your astronomy score b. Suppose Jade spends the first two hours studying economics. The opportunity cost of spending the third hour studying economics is points on her astronomy , exam.c. Suppose Jade's goal is to maximize her combined exam scores. Calculate how many hours she should spend studying economics and host.r many hours she should spend studying astronomy. Jade should spend I 1 - I hours studying economics and I 3 e I hours studying astronomy. d. Suppose Jade's laptop dies and refuses to start up. All her notes and class materials (for both classes) are saved on its hard drive. Jade's production possibilities curve will I shift to the left .. , because studying I becomes more difcult e