the number of chirps made by a cricket varies directly as the temperature. If at 12 degrees a cricket chirps 30 times per minute, how many times per minute will the cricket chirp at 20 degrees

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?