The sum of two polynomials is 10a b-8ab + 6ab-4ab +2. If one addend is-5a-b+ 12a b- 5, what is the other addend?
O15ab2-20ab +6ab2-4ab +7
5a b-20ab2+7
O5ab2 +4ab2 +6ab-4ab-3
O-15a b2 +20a b-6ab +4ab - 7

In what form is the following linear equation written y=9x+2

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

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