If f(x) = 2/x and g(x) = 3/(x-1), find (fg)(x)

Ineed i been stuck on this question since yesterday

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

What is the measure of angle 1? a.28 b.152 c.168 d.64