Please help me answer my IXL question.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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).

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers