Evaluate for m = 2 and n = –3
a) 5m – n b) n2 ÷ m2

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Find the area of the regular hexagon if a side is 20 cm.

Acircle has a circumference of 7.850 units. what is its radius?