Adrian Mole is 13 and ¾ years old. His dad is 81/4 years older than him and his mum is 9/6 of a year younger than his dad. How old are his parents?

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?