4. According to the LA Times, in 2000 the population of San Pedro was 80,065 people and in 2008 the population of San Pedro was 86,012 people. a . Rewrite this information as two ordered pairs. b. Find the average rate of change per year for the population of San Pedro

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)