Convert x^2 + y^2 - y = 0 to a polar equation. r^2 = sinθ
r = cosθ
r^2 = cosθ
r = sinθ

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

Which number completes the inequality? 2/3 < _ < 7/9

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)