A light house worker is tracking a boat that is 5 km south of her. She is also tracking a boat that is 6 km from the tower located 70° east of north. To the nearest kilometer, how
far apart are the two boats?

A. 7 km
B. 9 km
C. 8 km
D. 16 kM

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coop?

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).

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd