Annette has finished 20 of her homework problems. that is 80% of the total assigned by her math teacher. how many problems were assigned?

Measures of the angle of r, 31 s (x+4) t (3x+9)

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

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2