On the number line below, length ab=?

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.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

What is the solution to the division problem below x3+x2-11x+4/x+4