What are the first four terms of the sequence represented by the expression n (n-1) -4?

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.

2/3(-6y+9x) expand each expression using the distributive property

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]