Which of the following are steps in practical problem solving? assign an identifying variable to the quantity to be found. make a guess at the value of the variable. write a sentence stating conditions placed on the quantity. check if the value is correct. solve the sentence for the variable.

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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).

Two numbers have a sum of -19. one number is x. what expression represents the other number?