Michael is 3 times as old as Brandon. 18 years ago, Michael was 9 times as old as Brandon.

Adding and subtracting matricesfind the value of each variable. x = and y = would

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).

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.