2y + 5x – z = 4y + 6x solve for y

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One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is