Solve each system.
y=7-3x
3x+y=10

The triangles are similar. what is the value of x? show your work.

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.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?