The total number of credit hours that remain for a student to earn a degree after s semesters have been completed successfully is given by 130 - 15s. Which statement is correct?
A.
The remaining credit hours increase by 130 for each semester completed.

B.
The remaining credit hours decrease by 15 for each semester completed.

C.
The remaining credit hours increase by 15 for each semester completed.

D.
The remaining credit hours decrease by 130 for each semester completed.

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