What is the significant relationship between the demographic profile and the academic achievment of tvl students

A50-m steel tape is of standard length under a pull of 5.5 kg when supported throughout its entire length. the tape weighs 0.05 kg/m, has a cross-sectional area at 0.04 sq.cm, and being made of steel. this tape was used in the field to measure a distance that was determined to be 458.650 m. at the time the measurement was made, the constant pull applied was 8 kg with the tape supported only at its end points. determine the correct length of the line.

In a subtraction problem,which is smaller, subtrahend or minuend? ​

Is there a constant number involved ? explain the process that you have used in finding out.