A television station shows 3 commercials every 12 minutes. At that rate, how many commercials will the station show in 60 minutes?

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

2,10,-50 next two numbers geometric sequence

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)