Urgent help!! 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 .

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?