A bag contains 6 black checkers and 4 red checkers. A checker is selected, kept out of the bag, and then another checker is selected. What is the probability of choosing a black checker and then a red checker without replacement? A. 4/15
B. 3/14
С. 5/35
D. 8/45​

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

How do i put 3(x+7) in distributive property

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