What is the perimeter of the rectangle shown on the coordinate plane, to the nearest tenth of a unit? A. 15.3 units
B. 20.4 units
C. 30.6 units
D. 52.0 units

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7

Which shows how to solve the equation 3/4x=6 for x in one step?