austin pays $2 per day for high speed internet. the equation y = 2x relates his internet charges (y) to the number of days (x) he has internet. identify the unit rate in the equation

Anyone know? will mark brainliest if correct!

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.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)