Paul's car is 17 feet long. He is making a model of his car that is 1/7 the actual size. What is the length of the model?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

The measure of angle 0 is 600 degrees

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