Which of the following expressions cannot be factored? Explain. a. 6 + 3x
b. 7x + 3
c. 15x + 10
d. 30x + 40

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).

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Which of the following is the sum of 3 1/6 + 6 3/8?