What is the slope of the line?I need right now please.

△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 .

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3