The temperature at 7 a. m. was –11°C. The temperature increased by 9°C during the day and then decreased by 4°C at 8 p. m. Which was the temperature at 8 p. m.? A.2°C

B.–6°C

C.–16°C

D.–24°C

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