In a deck of playing cards, what is the probability of drawing a heart, replacing it, and then drawing an ace

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

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

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two