The graph below shows the amount of money Jane earns for every hour she babysits. Babysitting Rate 72 64 56 48 40 Money Earned ($) 32 24 + 16 + 8 0 0 1 2 3 4 5 6 7 8 Number of Hours How many hours does Jane need to babysit in order to earn $24? hours

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?