Please helpp, I need to pass my gradpoint

What is the standard form of -5x^2+2x^4-11+x^3+3x

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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.