Represent Graphically:

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Find the vertex of the function given below y=x^2-6x+1

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?