I need help Use the following expression to identify the variable(s). Use a comma to separate the variables. 3x + y + 20

If f(x)= 3x+6 which of the following is the inverse of f(x)

Asphere has a diameter of 10 in. what is the volume of the sphere?

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).