Me
georgette needs to earn a b in her physics class. her current test scores are 80, 83, 77, and 89. her final exam is worth 3 test scores. in order to earn a b georgette's average
must lie between 80 and 89 inclusive. what range of scores can georgette receive on the final exam to earn a b in the course? use interval notation to express this range.
the range of scores for the final exam that will earn georgette a b in the course is
(type your answer in interval notation)