Alexandra holds a drawing on a transparency paper LaTeX: \overline{XW}X W ¯ in front of a flashlight held at point V. Her drawing is projected on the ceiling at LaTeX: \overline{ZY}Z Y ¯ such that LaTeX: \overline{ZY}\:\parallel\:\overline {XW}.Z Y ¯ ∥ X W ¯ . The length of LaTeX: \overline{XW}X W ¯ is 12 inches. What is the length of the drawing projected on the ceiling?

What expression is equivalent to 42x-56y

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

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