What transformation to the graph occurs when f(x) = x^2 is changed to f(x) = 3(x-2)^2?

What is (28 + 7 + 6 + 3) x 1/2 show your work

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

Can some one me with these questions