Two people can sit at the long side of a cafeteria table, and one person can
sit at the short side. Tables are pushed together as shown to seat more
people. Arrangements for one and two tables are shown.
Make a chart to find how many tables will need to be pushed together to seat
16 people.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Sketch one cycle if the cosine function y=2cos2theta

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).