When 2 is added to the product of 6 and a certain number, the result is 20. What is the value of the number?​

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

When you find the area of a triangle do you use in. or in2

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)