When B is added to the number that is produced by doubling the number x the result is equal to B times the number that is 5 less than x what is the value of x. HELP!

Evaluate the expression. (9 + 5)(3 + 2)0

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).

How can constraints be used to model a real-world situation?