Can someone explain the break down for this?

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Simply 8x squared + 5(7x squared- x) - 2x =

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.