What is the circumference? Use 3.14 for π. Round to the nearest tenth if necessary. radius: 9 mm
A. 12.1 mm B. 14.1 mm C. 28.3 mm D. 56.5 mm

Right triangle lmn has vertices l(7, –3), m(7, –8), and n(10, –8). the triangle is translated on the coordinate plane so the coordinates of l’ are (–1, 8). (x, y) → (x + 6, y – 5) (x, y) → (x – 6, y + 5) (x, y) → (x + 8, y – 11) (x, y) → (x – 8, y + 11)