Hoang has worked as a nurse at Springfield general hospital for 6 years longer than her friend bill. Three years ago, she had been at the hospital for twice as long. How long has each been at the hospital ?

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