Someone came into my shop and stole $100 out of the register without my knowledge. the person came with the same $100 5 minutes later and he bought $70 in items and i gave him back $30 change. how much money did i

The sum of two numbers is 86, and their difference is 20. find the two numbers

Which one is the correct answer, and why?

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