13. Use the grid to find arrays for 18. Select all that apply. 1 X 18
X 2 X 9
X 3 X 6
6x4
18 X 1

Answer this question only if you know the 30 points and

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 a and angle c ?