In a certain game, points you win are positive numbers and points you lose are negative numbers. what is the value of the series plays: win 8, lose 7, will 11, lose 2?
a -15
b -4
c 4
d 12

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required