Answer:
b
Step-by-step explanation:
sequnce 105 865
5.7t < 420 divide both sides by 5.7
5.7 5.7
t < 73.68
I attached the document with the answers and work with the formulas. Since the formulas and fractions don't work very well with this site (especially the pi symbol, they should fix that).
:)
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docx
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