Which of the following are the correct properties of a slope? Check all that apply. A. A negative slope means that the line moves down from left to right. B. The slope of a flat line should be exactly 0. C. The slope of a flat line is smaller than the slope of a steep line with a positive slope. D. The slope of a flat line is undefined. E. A negative slope means that the line moves up from left to right.

Anyone know? will mark brainliest if correct

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

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