EASY I AM JUST DUMB Which statements describe characteristics of an AND inequality? (Select all that apply.)
A) Values in the solution set satisfy both inequalities.
B) It is the intersection of two solution sets.
C) Shading generally occurs to the right or the left of the named values.
D) It is the union of two solution sets.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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).

Find cot x if sin x cot x csc x = √2