Selected Answers for Core Connections, Course 3 Lesson 7.1.1 7-7. a: 23% b: Coal and renewable totals 30%; natural gas and nuclear also 30%; students might see either combination or both. c: Oil and nuclear 48%. 7-8. See graph at right. 7-9. a: b: c: 7-10. a: No solution. b: Infinite solutions because the lines coincide. 7-11. a: A trapezoid b: They are right angles. c: Lesson 7.1.2 7-17. a: Answers will vary. b: See graph. Answers will vary. 7-18. a: As latitude increases, temperature drops (or as temperature ii: increases, latitude drops). All cars, regardless of weight, go about the same speed. b: iv: No relationship. c: iii:
Selected Answers for Core Connections, Course 3 Lesson 7.1.1 7-7. a: 23% b: Coal and renewable totals 30%; natural gas and nuclear also 30%; students might see either combination or both. c: Oil and nuclear 48%. 7-8. See graph at right. 7-9. a: b: c: 7-10. a: No solution. b: Infinite solutions because the lines coincide. 7-11. a: A trapezoid b: They are right angles. c: Lesson 7.1.2 7-17. a: Answers will vary. b: See graph. Answers will vary. 7-18. a: ii: As latitude increases, temperature drops (or as temperature increases, latitude drops). b: iv: All cars, regardless of weight, go about the same speed. c: iii: No relationship.
cc3-selected-answers-ch-7.docx