Select the two correct factors of the polynomial: x2 – X – 42

(x-7)
(x+6)
(x+7)
(x-6)
(x-21)
(x+2)

△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 .

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -