269.375 = 2 × 100 + blank × 10 + 9 × 1 + 3 × blank + 7 × 1/100 + 5 × blank what is the blank

How to do this , and can some one explain

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

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