85% of customers who bought a pair of wireless headphones stated they were satisfied with the quality of the sound, if 120 people provided feedback how many people were not satisfied with the quality of the headphones?

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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-1/4 > -1 2/3. -1/4 is greater than -1 2/3 because it is closer to 0 on the number line.