Dennis has a maximum of $80 that he can spend on books. He wants to buy a combination of nonfiction books which cost $12 each and fiction books which cost $8 each. To evaluate his decision, Dennis makes a graph with the number of nonfiction books bought on the x-axis and the number of fiction books
bought on the y-axis. He graphs a linear equation that models the fact that he has $80 to spend.
Which two ordered pairs represent points on the line that Dennis graphs?
(4,5)
(5,4)
(7.2)
(2,7)

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

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20