7) A school store buys pencils for $0.15 each. •It sells the pencils for $0.22 each.
• The store sold 4 dozen pencils last week.
How much profit did the school store make from pencils?

What two criteria are needed for triangles to be similar

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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).