A roller coaster train with 6 passenger cars and the front decoration has a mass of 3,500 kg. When the train has
the front decoration and only 4 passenger cars, it has a mass of 2,400 kg

Write the expression 7x^3-28xy^2 as the product of 3 factors

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).

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?