A, b and c are vertices of a triangle.

a has coordinates (4, 6)
b has coordinates (2, -2)
c has coordinates (-2, -4)

d is the midpoint of ab.
e is the midpoint of ac.

prove that de is parallel to bc.
you must show each stage of your working.

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

One integer is 8 times another. if the product is 72, then find the integers

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?