If ladders are difficult to use for high floors, what are some other options? Explain using mathematical facts.

You need to do x2-x1,y2-y1 and divide it by 2 and you should get (1,-3) 

Solution: beginning of the unit = - 2end of the unit = beginning of the unit + 4end of the unit = - 2 + 4end of the unit = 2final answer: therefore, aila was able to reach 2 ( insert name of unit of measurement ) at the end of the unit.hope this ! : )have a lovely day! < 3