Which choice shows the image of triangle ABC after a reflection over the y-axis followed by a rotation of 180° around the origin?

What statement is true? 2x^2-9x+2=-1

Which graph represents the parent function of y=(x+2)(x-2)

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