What is the constant of proportionality (unit rate) for the following equation:a = 156 · n

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

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).