A school group orders 8 large pizzas for the members to eat after a meeting. The ratio of the number of cheese-pizza slices to the total number of pizza slices is 18:48. A: How many slices does each pizza have? B: How many of the pizzas are cheese?

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