Sharon suspects that her brother's penny is unfair. she flips it 50 times and heads comes up 40 times. based on these trials, the probability that a flip of this coin comes up heads is

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte