The gross income of a business over time can be represented as a set of ordered pairs in which the first element, x, is the number of the year and the second element, y, is the gross income. the gross income is given for years 1 and 2. a constant rate of change is expected for the next several years. complete parts (a) through (c).
year 1 (1997) gross income (in 1000's)equals=$2727
year 2 (1998) gross income (in 1000's)equals=$23

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 benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

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