2 4 points The following scatterplot represents the number of mosquitoes in a swamp over a period of time Mosquitoes per square foot 100 90 80 70 50 40 30 2220 10 0 Mosquitoes per square foot in swamp 1900 1920 Year a Describe the trend in the number of mosquitoes in the swamp over time b What is a good estimate for the number of mosquitoes in the swamp in 1914 How many mosquitoes would you expect to find per square foot in 1938