2. Paula learned to play a total of 10 pieces over the course of 5 weeks of piano lessons. In all, how many weeks of piano lessons will Paula need before she will be able to play a total of 18 pieces?

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