N which quadrant would figure STUV lie after a rotation 270° counterclockwise?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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

Add the two expressions 4.6 x -3 + -5.3 x + 9