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If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

Which of the following shows the length of the third side, in inches, of the triangle below

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?