Pls help parallel lines l m and n are shown

△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 .

How do you solve a question like this?

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811