Is (0,0) a solution of the system y> x and x+y> 0?
a: yes, because (0,0) is the point of intersection of the two boundary lines of this system
b: no, because (0,0) is is a solution to only one of these inequalities
c: yes, because (0,0) is a solution to both inequalities
d: no, because (0,0) is not a solution to either of these inequalities

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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).

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.