Find the value of 2y if 2x - y = 5 and
x + y = 4.

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

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).