What is the equation of a line passing through the points (1,2) and (-2, 5)?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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).