What polynomial should be subtracted from 3x^2+4x-1 to get the difference equal to 0

Identify the number 127 as a rational or irrational. explain

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

If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces