One of the angles of a regular dodecagon is 150°. What is the sum of the measures of all the interior angles of this dodecagon? A. 930° B. 1240° C. 1500° D. 1800°

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

How do you convert 1.27 to a percentage

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).