Rebecca is 12.5% taller than Debbie. Debbie is 64 inches tall. How tall is Rebecca?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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).

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?