Respuesta :

9a. 67.5 degrees F
9b. 140 chirps
9c. 60 chirps
9d. graph points (67.5,110) (75,140) and (55,60) then draw a line showing how the chirps increase by the temp rising.
9e. (not sure)
9f. (not sure)

sorry about the last two but i hope this helps!
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