Joanie is 11 5 6 years old. Nancy is 1 1 3 years older than Joanie and Jane is 1 1 4 years older than Nancy. How old is Jane?

How is working backward similar to solving an equation?

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 do i simply this radical expression?