Which half of the unit circle satisfies the trigonometric inequality ? assume that is the angle made by the positive x-axis and a ray from the origin. need asap

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0