What is the length of in the accompanying​ figure?

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

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?