A45 foot tall lighthouse located in fajardo, puerto rico a tourist sights two boats coming into a coastline, one behind the other. the angle is depression to one boat is 21° and the angle of the depression to the other boat is 40°. how far apart are the two boats?

Which of the following is the result of expanding

Which of the following transformations will always produce a congruent figure?

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).