HW Score: 45.33%, 6.8 of 15 = Homework: Section 1.6 _ Homework Question 12. 1.6.124 points 0 Points: Oof'i Next question Sean has taken three exams and earned scores of 81, 3'0, and 86 out 01a possible 100 points. He needs an average of at least 81 to earn a B in the course. What range of scores on the fourth (and last) 100point test will guarantee a B in the course? The range of scores on the fourth (and last} 100-point test is to (Simplify your answers.) HW Score: 45.33%, 6.8 of 15 = Homework: Section 1.6 _ Homework Question 13. 1.6.130 points 0 Points: Oof't Next question The height h of an object thrown from the top of a ski lift 2068 feet high attert seconds is h = 16t2 + 32 + 2068, For what times is the height of the object at least 1300 feet? The height of the object is at least 1300 feet from seconds to seconds. E Homework: Section 1.6 HW Score: 45.33%, 6.8 of 15 Homework 0 O C. (x + 4)(x - 5) =0 O D. (x+4)(x - 5)