Help it’s my exam test

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

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c