Write the equation that could be used to describe the trend line of how many sit ups Tim completes each minute.

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?