Agirl walked for 30 minutes she noticed that she traveled father in the first 15 minutes of her than in the second 15 minutes what can she conclude about her walk

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Find the slope of a line given the following two points

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