2.) the difference of two numbers is 3 their sum is 13 find the numbers
4.)the school that stefan goes to selling tickets to a choral performance on the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38 the school took in $52 on the second day by selling 3 senior citizen tickets and 2 child ticket find the price of senior citizen ticket and the price of a child ticket

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