A local hamburger shop sold a combined total of 513 hamburgers and cheeseburgers on Friday. There were 63 more cheeseburgers sold than hamburgers. How many hamburgers were sold on Friday?

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).

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

What is the the greatest common factor ?