What is the change in the scale factor from the old scale to the new scale? Old: 1 inch = 3.3 feet. New: 1 inch = 1.1 feet.
1 to 3
1 to 2.2
2.2 to 1
3 to 1

Taking algebra two apex courses and need with these questions

How to do this , and can some one explain

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm