Hurry. need an answer quick. sorry if this is made poorly, i have never used anything like before.

which method would be the best to solve the system of equations?

y=2/3x
y=−6x+1

(multiple choice) answers:

1.) graphing
2.) substitution
3.) process of elimination

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

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.

What percent of the circle below is shaded?